ILDC11V-15E

ILDC11V-15E NVE | Alldatasheet

Document overview

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• PDF pages: 27

Technical content

Features

• World’s smallest isolated DC-to-DC convertor
• Ultraminiature 3 x 5.5 x 0.9 mm (0.015 cm³) DFN or 8 mm creepage SOIC16-WB
• 3.3 V input; 3.3 V, 5 V, or 6 V output options
• ¼ W output
• Fully-regulated output
• Option for external regulators
• No minimum load
• Ultralow ripple
• No beads, inductors, or large stitching capacitors required
• Short-circuit and thermal protection
• 2.5 kVRMS (DFN) and 6 kVRMS (SOIC) isolation
• UL1577 approved
• EN 55032 CISPR 32 Class B fully compliant
• EU Declaration of Conformity (CE mark)
• Full −40 °C to 125 °C operating range with no derat ing

Applications

• RS-485 / RS-422 bus power supplies
• Isolated ADC and DAC power supplies
• “2xMOPP” medical systems requiring true 8 mm creepage

Description

The ILDC1x is a family of ultraminiature one-quarter watt fully-regulated 3.3 V input DC-to-DC convertors with isolated 3.3-volt, 5-volt, or 6-volt outputs. Parts are available in an ultraminiature 3 mm x 5.5 mm DFN6 or a True-8 mm creepage SOIC16. The DFN versio ns are the world’s smallest isolated DC-to-DC converto r at just 0.015 cm³. A unique ceramic/polymer composite barrier provide virtually unlimited barrier life. The device minimizes board space and parts count, requiring just three external capacitors. No additional regulation is required and there is no minimum load. Internal shielding and frequency hopping reduce EMI . Parts are EN 55032 CISPR 32 Class B compliant with just a small amount of stitching capacitance. A high-temperature process allows up to 175 °C junction temperature for full power up to 125 °C operating temperature with no derating. Integrated short-circuit protection avoids excessive power dissipation. VDD1 VDD2 /K49/K73/K6F/K6C/K61/K74/K69/K6F/K6E/K20/K42/K61/K72/K72/K69/K65/K72

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Absolute Maximum Ratings Parameter Min. Max. Units Supply voltage −0. 6 6 Volts Storage temperature −55 180 °C Junction temperature −55 180 °C Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Units Test Conditions Ambient operating temperature Tmin ; T max −40 125 °C Junction temperature TJ −40 175 °C Input supply voltage VDD1 3 3.3 3. 6 V Output current IDD2 0 80 mA Electrical Specifications Tmin to T max and V DD1 = 3 V to 3. 6 V unless otherwise stated Parameter Symbol Min. Typ. Max. Units Test Conditions Output voltage ILDC11 ILDC12 ILDC13 VDD2 4.5 5. 75 3.3 3.45 5.5 6. 6 V Tmin to T max ; full V DD1 and I DD2 operating range Output current ILDC11 ILDC12 ILDC13 IDD2 mA Short-circuit protection limit ed current IDD2-SC 115 125 135 mA Input quiescent supply current IDD1Q 200 240 mA IDD2 = 0 Input supply current ILDC11 ILDC12 ILDC13 IDD1 380 312 290 440 360 340 mA I DD2 = max. Line regulation ΔVDD2 /ΔVDD1 32 40 mV/V 25 °C 16 125 °C Load regulation ΔVDD2 /V DD2 5 6 % IDD2 = 0 to max. Output voltage temperature coefficient (ΔVDD2 /V DD2 )/ ΔT 0.017 0.0 3 %/°C IDD2 = 10 mA IDD2 = 5 0 mA Capacitive load CDD2 1000 μF Output voltage ripple V DD2RIPPLE 1 5 mV P-P

20 MHz bandwidth;

IDD2 = max. 1 1 kHz bandwidth; IDD2 = max. Start-up time t SU 2 ms IDD2 = 0 6 IDD2 = max. Convertor frequency fOSC 105 113 120 MHz

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Thermal Specifications Parameter Symbol Min. Typ. Max. Units Test Conditions Junction-to-ambient thermal resistance ILDC1 xV-15E θJA 46 °C/W 2s2p PCB per JESD51; leadframe pad grounded (if applicable); free air. ILDC1 xVE 46 Junction-to-case (top) thermal resistance ILDC1 xV-15E θJC 12 ILDC1 xVE 9 Junction-to-ambient thermal resistance ILDC1 xV-15E θJA 52.5 2-sided PCB with 2 oz Cu and thermal vias; leadframe pad grounded. ILDC1 xVE 67 Junction-to-case (top) thermal resistance ILDC1 xV-15E θJC 8 ILDC1 xVE 12 Package power dissipation ILDC1 xV-15E P 1.5 W ILDC1 xVE 1.5 Isolation Specifications Parameter Symbol Min. Typ. Max. Units Test Conditions ILDC1xV -15E 2.5 ILDC1x VE 6 Working voltage Viorm 600 VRMS Per VDE 0884 -17 Transient overvoltage ILDC1x V-15E VIOTM 4 kVPK Per VDE 0884-17 ILDC1x VE 6 Surge immunity 6.4 kVPK ILDC1xV -15E 3.5 ILDC1x VE 8.03 8.3 Comparative tracking index ILDC1x V-15E CTI ≥175 VRMS Per IEC 60112 ILDC1x VE ≥600 Total barrier thickness (internal) 0.012 0.016 mm Isolation b arrier resistance RIO >10 14 Ω 500 V RMS Isolation b arrier capacitance CIO 7 pF f = 1 MHz Leakage current 0.2 μARMS 240 V RMS , 60 Hz Barrier life 44000 Years 100°C, 1000 V RMS , 60% CL activation energy *UL 1577 listed under Component Recognition Program File Number E207481. ILDC1xV-15E tested at 3 kV RMS (4.24 kVPK ) for 1 second, 5 pC partial discharge limit in accordance with UL 1577 and VDE 0884-17 Method B1. Each lot sample tested at 2.5 kV RMS (3.53 kVPK ) for 1 minute. ILDC1xVE tested at 7.2 kV RMS (10.2 kV PK ) for 1 second, 5 pC partial discharge limit in accordance with UL 1577 and VDE 0884-17 Method B1. Each lot sample tested at 6 kV RMS (8.5 kVPK ) for 1 minute.

• IEC 60601-1 (medical systems) – ILDC1xV-15E is 1xMOOP compliant (isolation voltage ≥1.5 kV RMS ; creepage ≥ 2.5 mm). – ILDC1xVE is 2xMOPP compliant (isolation voltage ≥4 kV RMS ; creepage ≥ 8 mm).
• All versions compliant with IEC 60950-1 and IEC 623 68-1 end equipment standards .

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com A unique ceramic/polymer composite barrier provides virtually unlimited barrier life. The DFN version (ILDC1xV-15E) provides a full 2.5 kV RMS isolation and extended creepage, and the wide-body SOIC version provides a remarkable 6 kV RMS and true eight- millimeter creepage in accordance with IEC60601. Low Parts Count The only external components required are three ine xpensive bypass capacitors on the V DD1 , VDD2 , and VF pads. This low external parts count reduces board area and cost. Fully Regulated with no Minimum Load Unlike other DC-to-DC convertors, ILDC1x devices ha ve fully-regulated outputs specified over the full input voltage and output current operating ranges. This eliminates the need for an external regulator or load resistor. Ultralow Ripple An inexpensive external filter capacitor (VF) and e xcellent line regulation and ensures the output ripple voltage is less than 5 mV P-P. Short-Circuit Protection The output current is internally limited to approxi mately 125 mA. This provides short-circuit protection and eliminates the need for external protection circuitry. Inherently Low EMI The DC-to-DC convertor oscillator operates above 88 MHz, a much higher frequency than conventional DC- to-DC convertors, where emission limits are higher since there is less risk of interference with some common commercial radio and television broadcasting. Frequency-hopping technology dramatically reduces p eak EMI, and synchronous rectification and PWM control are avoided, resulting in inherently low EMI. This inherently low EMI allows CISPR and FCC compli ance without shielding or external components such as ferrite beads. The parts are fully compliant with EN 55032 CISPR 32 Cl ass B with just a small amount of stitching capacitance , which can be incorporated in the overlap of the inner layers of the PCB.

Figure 1. ILDC1x detailed block diagram. A 113 MHz oscillator drives a high-frequency power amplifier, which in turn drives an IsoLoop ® microtransformer primary. Frequency hopping reduces EMI peak amplitudes, and embedded magnetic shielding further reduces radiated EMI. out regulator with a precision bandgap voltage reference.

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com

Application Information

The only external components required are three ine xpensive bypass capacitors: a 0.1 µF ceramic capaci tor placed as close as possible to the VDD1 pad, a 10 µF ceramic capacitor for the VDD2 pad, and a 0.1 µF/16 V filter capacit or near the VF pad. Fully Regulated with no Minimum Load The ILDC1x has a fully-regulated output specified o ver the full input voltage and output current opera ting ranges, eliminating the need for an external regulator or load resistor. Soft Start-up When used in MOSFET gate drivers or H-bridges, the two milliseconds minimum startup time allows the control electronics to start up before the MOSFETs can be turned on to ensure high- and low-side MOSFETs on the same side are not on at the same time. Optional External Regulation An external regulator can be used in place of the I LDC1x’s internal low drop-out regulator for voltages up to approximately 7.5 volts. The maximum output current decreases at higher regulator output voltages, but the output power capacity remains approximately 250 milliwatts. EMI Mitigation ILDCx parts incorporate embedded magnetic shielding to reduce radiated EMI and frequency hopping to reduce EMI peak amplitudes. This inherently low EMI generally elimi nates the need for ferrite beads or other EMI mitig ation. The parts are fully EN 55032 CISPR 32 Class B compliant with no EMI mit igation components and only 12 pF of input-to-outpu t stitching capacitance. The capacitance can be created in a fo ur-layer PCB by extending the GND1 and GND2 ground planes into the PCB isolation area. External stitching capacitor compon ents are generally not recommended due to parasitic inductance above one gigahertz. See Fig. 13 for a typical schematic, and Application Bulletin AB-29 for a recommended PCB layout. No Temperature Derating A double-sided, double buried power plane (“2s2p”) printed-circuit board optimizes thermal performance , allowing full power up to 125 °C operating temperature with no derating. Thermal vias should be used between the power plane and the board surfaces. Both input-side ground pads and the leadframe pad ( for the DFN package) should be grounded using wide traces to help cool the leadframe. At the full output current with the recommended PCB , the ILDC1x dissipates approximately one watt and the resultant junction temperature rise is 46 °C for either package, so at 125 °C ambient, the junction temperature is less than the 175 °C maximum junction temperature. A simple double-sided PCB with thermal vias can be used rather than a 2s2p PCB with some derating (see Figure 6). Maintaining Creepage Creepage distances are often critical in isolated circuits. Therefore, power planes should be spaced to avoid compromising creepage or clearance, and board pads should not ex tend past the part pads to avoid compromising clearance. Medical Systems Patient-applied parts electrically connected to the patient in body-floating medical systems generally require two Means Of Patient Protection (2xMOPP). ILDC1xVE parts meet the 2xMOPP requirements of 4 kV RMS isolation and true 8 mm creepage. AC/DC power supplies meeting these requirements are diffi cult to find and expensive. An inexpensive 2xMOOP power supply can supply the operator interface, while a 2xMOPP compliant IL DC1xVE DC-to-DC converter can power the patient-app lied electronics. The power requirements of the patient-applied electroni cs are generally low and can be satisfied with an ILDC1xVE. A typical circuit is shown in Figure 22.

Figure 13. Typical circuit. recommended for EMI mitigation. The capacitance can be created using PCB ground-plane overlap. Figure 14. An isolated 3.3-volt RS-485 bus supply and node.

3.3 V VDD2 VDD1

Figure 15. Reversed configuration: isolated controller supply from a 3.3-volt bus.

Figure 16. An isolated SPI sensor interface. used for a variety of four-wire interface sensors, including angle, magnetic field, current, temperature, or pressure sensors.

Figure 17. Isolated ADC serial interface. wire SPI or MICROWIRE peripherals such as DACs or sensors.

Figure 18. A 3.3-volt input, fixed plus adjustable output isolated supply using an external regulator. An inexpensive adjustable regulator can be added to a ILDC1x VF output as shown above to provide nonstandard output voltages. Figure 19. A 5-volt input / 3.3-volt output isolated supply. An inexpensive chip-scale linear regulator such as an NCP161 can be used for a five-volt input. Figure 20. A 5-volt input / 3.3-volt with a buck regulator. A step-down (buck) switching regulator can be used with a five -volt input for higher efficiency than a linear regulator.

3.3 V (input)

Figure 21. A 3.3-volt input / 12-volt output isolated supply. allows it to directly drive the inductive load required for the boost regulator.

Figure 22. An isolated five-volt RS-485 bus system. power an RS-485 transceiver without termination res istors. It can also power a number of additional lo w-power nodes if desired. IL3522 or IL3022. Ultraminiature IL3685-1E or IL308 5-1E QSOP16 versions are available to minimize boar d area.

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Isolated H-Bridge Drivers: Figure 23a. Simple isolated H-bridge. Two ILDC13 DC-to-DC-convertors provide isolated flo ating high-side gate power for this isolated H-bridge circuit. Four channels of isolation in three IL6xxCMTI isola tors allow referencing the high-side gate signals to the floating MOSFET source pins, plus they level-shift low-voltage cont roller inputs to six volts to drive MOSFET gates. The default-LOW IL6xxFCMTI versions prevent shoot-through and ensur e all the FETs are off when the controller starts up or in case of a loss of controller-side power. These isolators have low-imp edance outputs to directly drive low- to medium-power MOSFETs, so separate MOSFET drivers are not required . The isolators are the world's smallest, with the highest common-mode transient immunity in the industry. With up to 350 kV/ μs transient immunity, the IL610CMTIs prevent spurio us isolator switching when the high-side MOSFETs switch. - - + + - - + + Motor 1/2 IL611FCMTI-1E 6 V ½ IL611FCMTI -1E IL610 CMTI F -1E I 0F -1E L61 CMTI 0.1 High- left Low- left High- right L righ ow- t VF ILDC13 GND2 GND1 3.3 V 3.3 V VF ILDC13 GND2 GND1 TPH 1R204PB MOSFETs 165 250 165 250 165 250 165 250

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Figure 23b. Isolated high-power silicon-carbide H-bridge. Silicon-carbide FETs usually require more than six- volt gate drive and lower-impedance drivers. For th ese applications, the ILDC12s’ unregulated VF outputs provide approximate ly nine volts of isolated power for the high-side gates. IL610FCMTI isolators can be combined with external drivers such as the IX4310T as shown in Figure 18. The separate gate drivers translate the IL611FCMTI isolator outputs t o nine volts and provide instantaneous high gate-drive currents for fast switching speeds with large FETs. The DC-to-DC convertors provide failsafe protection , since their “soft-start” feature allows time for the controller to start up before the high-side gate supplies are available. The default-LOW IL6xxFCMTI isolators on the high sid e provide an additional layer of failsafe protection by ensuring that all t he FETs are off when the controller starts up or in case of a loss of controller-side power. - - + + 6 - 750 V - - + + Motor UJ4C075060K3S SiC FETs IL610 CMTI F -1E I 0F -1E L61 CMTI IX4310T IX4310T

9 V 9 V

(3.3 V) 3.3 V High- left Low- left High- right L righ ow- t 140 200 140 200

Figure 24. Medical system isolation . requirements of the patient-applied electronics are generally low and can be satisfied with an ILDC1xV E .

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Evaluation Boards ILDC1xV-15E-01 Series Evaluation Board. ILDC1xVE-01 Series Evaluation Board. ILDC1xV-15E-01 and ILDC1xVE-01 Series Evaluation B oards These 2 x 3.5-inch (50 x 90 mm) boards have an ILDC -Series part, LEDs to show the DC-to-DC convertor is operating, and th e three required external bypass capacitors. There are screw connections, test pads, and provisi ons for header pins. The boards follow best practices including 2s2p wit h thermal vias for optimal thermal performance, and stitched ground pl anes to provide CISPR 32-compliant EMC mitigation with no external components. The boards have provisions for external components if a dditional EMC mitigation is desired. Versions are available for all ILDC-Series parts.

ILDC1x Isolated DC -to -DC Convertors NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com RoHS COMPLIANT ILDC1xV-15E (3 mm x 5.5 mm DFN6 Package) Pad Symbol Description

1 GND1 Input -Side Ground (internal ly connect ed t o pad 3)

2 VDD1 Input Supply (bypass with a 0. 1 µF capacitor)

3 GND 1 Input -Side Ground (internally connected to p ad 1)

4 GND2 Out put -Side Ground

Filter capacitor / external regulator (connect to a 0.1 µF / 16 V external capacitor; can be used with an optional external regulator for multiple outputs or nonstandard voltages )

6 VDD 2 Output (bypass with 10 µF)

pad GND1 Input-side leadframe connection (c onnect to GND 1 to optimize thermal performance ) Notes:

• Dimensions in millimeters.
• Soldering profile per JEDEC J-STD-020C, MSL 1. C0.025 0.30 ± 0.10 5.50 ± 0.10 0.0-0.05 0.90 MAX.

0.20 REF

1.15 ± 0.10 (6X) (4X) 2.40 ± 0.10

0.13 REF

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com RoHS COMPLIANT ILDC1xVE (SOIC16 Wide-Body Package) Soldering profile per JEDEC J-STD-020C, MSL 1. 0.049 (1.24) 0.051 (1.30) 0.017 (0.43)* 0.022 (0.56) 0.292 (7.42)* 0.299 (7.59) 0.007 (0.18)* 0.010 (0.25) 0.260 (6.60)* 0.280 (7.11) 0.033 (0.85)* 0.043 (1.10) 0.007 (0.2) 0.013 (0.3) Pin 1 identified by either an indent or a marked dot 0.08 (2.0) 0.10 (2.5) 0.397 (10.08) 0.413 (10.49) 0.394 (10.00) 0.419 (10.64) 0.092 (2.34) 0.105 (2.67) 0.004 (0.1) 0.012 (0.3) 0.016 (0.4) 0.050 (1.3) NOTE: Pin spacing is a BASIC dimension; tolerances do not accumulate 0.013 (0.3) 0.020 (0.5) Dimensions in inches (mm); scale = approx. 5X *Specified for True 8™ package to guarantee 8 mm creepage per IEC 60601.VDD1 GND1 GND2 NC VF NCNC NC NC V DD2 NC NC GND1 GND2 NCNC Pin Symbol Description 1 VDD1 Input Supply (bypass with a 0.1 µF capacitor)

2 GND1 Input -Side Ground (internally connected to p in 8 )

8 GND1 Input -Side Ground (internally connected to p in 2)

9 GND2 Out put -Side Ground (internally connected to p in 15)

Filter capacitor / external regulator (connect to a 0.1 µF / 16 V external capacitor; can be used with an optional external regulator for multiple ou tputs or nonstandard voltages )

16 VDD2 Output (bypass with 10 µF)

3, 4, 5, 6, 7, 10, 11, 13, 14 NC No internal connection

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com ILDC1xV-15E Recommended Layout Footprint ILDC1xVE Recommended Layout Footprint Dimensions in inches (millimeters) 0.037□(0.95) 0.236□(6.00) 0.017□(0.42) 6□PLCS 0.196□(5.00) 0.098□(2.50) 0.050 (1.27) 0.449 (11.40) 0.020 (0.51)

16 PLCS

0.317 (8.05) Dimensions in inches (mm); scale = approx. 5X

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com

Ordering Information

3.3 V 3.3 V 2.5 kV RMS ILDC11VE SOIC16W 6 kV RMS ILDC12V-15E DFN6 5 V 2.5 kV RMS ILDC12VE SOIC16W 6 kV RMS ILDC13V-15E DFN6 6 V 2.5 kV RMS ILDC13VE SOIC16W 6 kV RMS Product Line IL = Isolation products Product Family DC = DC-to-DC convertors Part Numbers 11 = 3.3 V in / 3.3 V out 12 = 3.3 V in / 5 V out 13 = 3.3 V in / 6 V out V = Extended creepage Part Package Blank = SOIC16 -15 = 3 x 5.5 mm DFN RoHS Compliance E = RoHS compliant Bulk Packaging Blank = Bulk (tubes) TR7 = 7'' Tape and Reel TR13 = 13'' Tape and Reel

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com

Revision History

• Updated package images (p. 1).
• Revised H-bridge application circuits to use new fa ilsafe-LOW isolators (Fig. 23a and 23b, pp. 16 and 17).
• Deleted 1 kV isolation versions (obsoleted by the 2 .5 kV ILDC1xV-15E). ISB-DS-001-ILDC1x-RevJ April 2024 Changes
• Increased ILDC1xVE isolation spec from 4 kV RMS to 6 kV RMS , lot codes ≥240000.
• Added ILDC1xV-15E extended-creepage DFN version wit h 2.5 kV RMS isolation.
• Updated evaluation board images and description (p. 21) . ISB-DS-001-ILDC1x-Rev I Sept. 2023 Changes
• Added EU declaration of conformity and CE mark (p. 1).
• Tightened ILDC13 output voltage min. spec to 5.75 v olts (p. 2).
• Changed ILDC1x-15E external creepage distance from 3.5 to 2.1 mm (p. 3).
• Added CISPR 32 Class B compliance and stitching capacitor recommendation (p. 6).
• Added basic circuit (Fig. 13, p. 9).
• Revised Fig. 18 (p. 13).
• Revised H-bridge application circuit (Fig. 23c, p. 18).
• New eval boards have four layers and ground-plane overlap stitching capacitance (p. 21). ISB-DS-001-ILDC1x-RevH March 2023 Change
• Updated H-bridge application circuits (Figs. 22a ‒ 22d). ISB-DS-001-ILDC1x-RevG Sept. 2022 Changes
• Reduced startup current (p. 2).
• Received UL approval (p. 3).
• Changed isolation voltage from 5 kV to 4 kV under the more stringent IEC60747-17 standard.
• Added IEC 60601 medical equipment standards (p. 3).
• Added equipment-level safety standards such as IEC 62368-1 (p. 3).
• Added section on EMI mitigation (p. 6).
• Added section on medical systems (p. 6).
• Changed start-up description with soft-start on lot numbers 22xxxx and higher.
• Changed Fig. 9 for soft-start.
• Added diagram for medical system isolation (Fig. 22 ). ISB-DS-001-ILDC1x-RevF April 2021 Changes
• Added 5 V and 6 V output options (ILDC12 and ILDC13 ).
• Added a wide-body SOIC16 version with 5 kV RMS isolation (ILDC1xVE).
• Updated isolation specifications (p. 3).
• Discontinued the 5 V bus demo board with an external regulator since we now offer a 5 V output DC-to-DC convertor version. ISB-DS-001-ILDC11-RevE Oct. 2020 Changes
• Added VF vs. output current typical performance gra ph (Figure 8).
• Added descriptions of external regulator options.
• Revised external regulator reference designs and is olated H-bridge driver. ISB-DS-001-ILDC11-RevD Sept. 2020 Change
• More detailed Figure 18 (isolated H-bridge driver).

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com ISB-DS-001-ILDC11-RevC July 2020 Changes

• Added start-up current specification (p. 2) and typical graph (Figure 10).
• Added thermal protection description (p. 2) and typ ical graph (Figure 10).
• Updated step-down regulator reference design with higher-current regulator (Figure 16). ISB-DS-001-ILDC11-RevB June 2020 Change
• Added efficiency performance graph (Figure 5). ISB-DS-001-ILDC11-RevA June 2020 Changes
• Finalized performance graphs.
• Changed package description from QFN to DFN.
• Additional application circuits.
• Initial release. ISB-DS-001-ILDC11- PRELIM3 February 2020 Changes
• Updated and expanded thermal resistance specifications.
• Added a derating curve for a double-sided PCB.
• Added application circuits.
• Added Evaluation Boards. ISB-DS-001-ILDC11- PRELIM2 January 2020 Changes
• Updated and expanded thermal resistance specifications.
• Added application circuits with external regulators .
• Added recommended pad footprint layout (p. 12). ISB-DS-001-ILDC11-PRELIM December 2019 Change Prelim inary release.

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com Datasheet Limitations The information and data provided in datasheets shall define the specification of the product as agreed between NVE and its customer, unless NVE and customer have explicitly agreed otherwise in writing. All specifications are based on NVE test protocols. In no event however, shall an agreement be valid in which the NVE product is deemed to offer functions and qualities beyond those described in the datasheet. Limited Warranty and Liability Information in this document is believed to be accurate and reliable. However, NVE does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. In no event shall NVE be liable for any indirect, incidental, punitive, special or consequential damages (including, without limitation, lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Right to Make Changes NVE reserves the right to make changes to information published in this document including, without limitation, specifications and product descriptions at any time and without notice. This document supersedes and replaces all information supplied prior to its publication. Use in Life-Critical or Safety-Critical Applications Unless NVE and a customer explicitly agree otherwise in writing, NVE products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical devices or equipment. NVE accepts no liability for inclusion or use of NVE products in such applications and such inclusion or use is at the customer’s own risk. Should the customer use NVE products for such application whether authorized by NVE or not, the customer shall indemnify and hold NVE harmless against all claims and damages. Applications described in this datasheet are illustrative only. NVE makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using NVE products, and NVE accepts no liability for any assistance with applications or customer product design. It is customer’s sole responsibility to determine whether the NVE product is suitable and fit for the customer’s applications and products planned, as well as for the planned application and use of customer’s third party customers. Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. NVE does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer’s applications or products, or the application or use by customer’s third party customers. The customer is responsible for all necessary testing for the customer’s applications and products using NVE products in order to avoid a default of the applications and the products or of the application or use by customer’s third party customers. NVE accepts no liability in this respect. Limiting Values Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) will cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the recommended operating conditions of the datasheet is not warranted. Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. Terms and Conditions of Sale In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. NVE hereby expressly objects to applying the customer’s general terms and conditions with regard to the purchase of NVE products by customer. No Offer to Sell or License Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export Control This document as well as the items described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. Automotive Qualified Products Unless the datasheet expressly states that a specific NVE product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements. NVE accepts no liability for inclusion or use of non-automotive qualified products in automotive equipment or applications. In the event that customer uses the product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without NVE’s warranty of the product for such automotive applications, use and specifications, and (b) whenever customer uses the product for automotive applications beyond NVE’s specifications such use shall be solely at customer’s own risk, and (c) customer fully indemnifies NVE for any liability, damages or failed product claims resulting from customer design and use of the product for automotive applications beyond NVE’s standard warranty and NVE’s product specifications.

ILDC1x Isolated DC -to -DC Convertor s NVE Corporation 11409 Valley View Road, Eden Prai rie, MN 55344-3617 Phone: (952) 829-9217 www.nve.com YouTube.com/NveCorporation i so-apps@nve.com An ISO 9001 Certified Company NVE Corporation

11409 Valley View Road

Eden Prairie, MN 55344-3617 USA Telephone: (952) 829-9217 www.nve.com e-mail: iso-info@nve.com ©NVE Corporation All rights are reserved. Reproduction in whole or i n part is prohibited without the prior written consent of the copyright owner. ISB-DS-001-ILDC1x January 2025