LTM4614_15 LINER | Alldatasheet
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µModule Regulator The LT M®4614 is a complete 4A dual output switching mode step-down µModule® regulator. Included in the package are the switching controllers, power FETs, inductors and all support components. The dual 4A DC/DC converters operate over an input voltage range of 2.375V to 5.5V. The LTM4614 supports output voltages ranging from 0.8V to 5V. The regulator output voltages are set by a single resistor for each output. Only bulk input and output capacitors are needed to complete the design. The low profile package (2.82mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. Additional features include overvoltage protection, foldback overcurrent protection, thermal shutdown and programmable soft-start. The power module is offered in a space saving and thermally enhanced 15mm × 15mm × 2.82mm LGA pack- age. The LTM4614 is RoHS compliant with Pb-free finish. Different Combinations of Input and Output Voltages NUMBER OF INPUTS NUMBER OF OUTPUTS I OUT(MAX) 2 2 4A, 4A 2 (Current Share, Ex. 3.3V and 5V) 1 8A 1 2 4A, 4A 1 1 8A, see LTM4608A n Telecom and Networking Equipment n FPGA Power n SERDES and Other Low Noise Applications L, LT, LT C, LT M, µModule, Linear Technology and the Linear logo are registered trademarks and L TpowerCAD is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 6724174. n Dual 4A Output Power Supply n Input Voltage Range: 2.375V to 5.5V n 4A DC Typical, 5A Peak Output Current Each n 0.8V Up to 5V Output Each, Parallelable n ±2% Max Total DC Output Error (0°C ≤ TJ ≤ 125°C) n Output Voltage T racking n Up to 95% Efficiency n Programmable Soft-Start n Short-Circuit and Overtemperature Protection n Power Good Indicators n Small and Very Low Profile Package: 15mm × 15mm × 2.82mm Efficiency vs Output Current Dual Output 4A DC/DC µModule Regulator
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100µF 100µF10µF 10µF VOUT1 1.2V/4A VOUT2 1.5V/4A 5.76k 10k VIN1 3.3V TO 5V VIN2 3.3V TO 5V LOAD CURRENT (A) EFFICIENCY (%)
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VIN = 3.3V VOUT 1.5V VOUT 1.2V
pin conFiguraTionabsoluTe MaxiMuM raTings COMP1, COMP2, RUN/SS1, RUN/SS2 3V to VIN Internal Operating Temperature Range 0°C to 125°C 5°C to 125°C 5°C (Note 1) LGA PACKAGE 144-LEAD (15mm × 15mm × 2.82mm) TOP VIEW 1 2 3 4 5 6 7 8 10 9 11 12 L K J H G F E D C B M A GND1 GND2 SW1 VOUT2 VOUT1 VIN1 VIN2 RUN/SS1 FB1COMP1TRACK1 COMP2TRACK2 PGOOD1 SW2 RUN/SS2 FB2PGOOD2 TJMAX = 125°C, θJCbottom = 2-3°C/W, θJA = 15°C/W, θJCtop = 25°C/W, θ Values Determined Using a 4-Layer 95mm × 76mm PCB, Weight = 1.7g
elecTrical characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN(DC) Input DC Voltage l 2.375 5.5 V VOUT(DC) Output Voltage CIN = 22µF, COUT = 100µF, RFB = 5.76k VIN = 2.375V to 5.5V , IOUT = 0A to 4A (Note 4) 0°C ≤ TJ ≤ 125°C l 1.460 1.45 1.49 1.49 1.508 1.512 V V V IN(UVLO) Undervoltage Lockout Threshold I OUT = 0A 1.6 2 2.3 V IINRUSH(VIN) Input Inrush Current at Start-Up I OUT = 0A, CIN = 22µF, COUT = 100µF, VOUT = 1.5V VIN = 5.5V 0.35 A IQ(VIN) Input Supply Bias Current V IN = 2.375V , VOUT = 1.5V , Switching Continuous VIN = 5.5V , VOUT = 1.5V , Switching Continuous Shutdown, RUN = 0, VIN = 5V mA mA µA The l denotes the specifications which apply over the full internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 5V unless otherwise noted. Refer to Figure 1. Specified as each channel (Note 5). LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE (Note 2) LTM4614EV#PBF LTM4614EV#PBF LTM4614V 144-Lead (15mm × 15mm × 2.82mm) LGA –40°C to 125°C LTM4614IV#PBF LTM4614IV#PBF LTM4614V 144-Lead (15mm × 15mm × 2.82mm) LGA –40°C to 125°C Consult LT C Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/ orDer inForMaTion (See Pin Functions, Pin Configuration Table)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IS(VIN) Input Supply Current VIN = 2.375V , VOUT = 1.5V , IOUT = 4A VIN = 5.5V , VOUT = 1.5V , IOUT = 4A 3.15 1.35 A A I OUT(DC) Output Continuous Current Range V IN = 3.3V , VOUT = 1.5V (Note 4) 0 4 A ∆VOUT(LINE) VOUT ∆VOUT(LOAD) VOUT Load Regulation Accuracy V OUT = 1.5V, 0A to 4A (Note 4), VIN = 2.375V to 5.5V 0°C ≤ TJ ≤ 125°C l 0.7 1.2 1.25 1.5 V OUT(AC) Output Ripple Voltage IOUT = 0A, COUT = 100µF (X5R) VIN = 5V , VOUT = 1.5V mVP-P fs Output Ripple Voltage Frequency I OUT = 4A, VIN = 5V, VOUT = 1.5V 1.25 MHz ∆VOUT(START) Turn-On Overshoot COUT = 100µF, VOUT = 1.5V , RUN/SS = 10nF, IOUT = 0A VIN = 3.3V VIN = 5V mV mV t START Turn-On Time COUT = 100µF, VOUT = 1.5V , IOUT = 1A Resistive Load, TRACK = VIN and RUN/SS = Float VIN = 5V 0.5 ms OUT(LS) Peak Deviation for Dynamic Load Load: 0% to 50% to 0% of Full Load, COUT = 100µF, VIN = 5V , VOUT = 1.5V 25 mV tSETTLE Settling Time for Dynamic Load Step Load: 0% to 50% to 0% of Full Load, V IN = 5V , VOUT = 1.5V 10 µs IOUT(PK) Output Current Limit COUT = 100µF VIN = 5V , VOUT = 1.5V A VFB Voltage at FB Pin IOUT = 0A, VOUT = 1.5V l 0.792 0.788 0.8 0.8 0.808 0.810 V V I FB 0.2 µA VRUN RUN Pin On/Off Threshold 0.6 0.75 0.9 V ITRACK TRACK Pin Current 0.2 µA VTRACK(OFFSET) Offset Voltage TRACK = 0.4V 30 mV VTRACK(RANGE) T racking Input Range 0 0.8 V RFBHI Resistor Between VOUT and FB Pins 4.96 4.99 5.025 kΩ ∆VPGOOD PGOOD Range ±7.5 % RPGOOD PGOOD Resistance Open-Drain Pull-Down 90 150 Ω elecTrical characTerisTics The l denotes the specifications which apply over the full internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 5V unless otherwise noted. Refer to Figure 1. Specified as each channel (Note 5). Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTM4614 is tested under pulsed load conditions such that T J ≈ TA. The LTM4614E is guaranteed to meet performance specifications over the 0°C to 125°C internal operating temperature range. Specifications over the –40°C to 125°C internal operating temperature range are assured by design, characterization and correlation with statistical process controls. The LTM4614I is guaranteed to meet specifications over the full internal operating temperature range. Note that the maximum ambient temperature consistent with these specifications is determined by specific operating conditions in conjunction with board layout, the rated package thermal resistance and other environmental factors. Note 3: The IC has overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperatures will exceed 125°C when overtemperature is activated. Continuous overtemperature activation can impair long-term reliability. Note 4: See output current derating curves for different V IN, VOUT and TA. Note 5: Tw o channels are tested separately and the specified test conditions are applied to each channel.
Typical perForMance characTerisTics Efficiency vs Output Current VIN = 2.5V Efficiency vs Output Current V IN = 3.3V Efficiency vs Output Current VIN = 5V Minimum Input Voltage at 4A Load Load Transient Response Load Transient Response Load Transient Response Load Transient ResponseLoad Transient Response OUTPUT CURRENT (A) 100
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EFFICIENCY (%) VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V VOUT = 0.8V OUTPUT CURRENT (A) 100
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EFFICIENCY (%) VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V VOUT = 0.8V OUTPUT CURRENT (A) EFFICIENCY (%) 1 2 3 4
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VOUT = 3.3V VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V VOUT = 0.8V VIN (V) VOUT (V) 0.5 1.5 2.0 2.5 3.5 0.5 2.5 3.5
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1.0 3.0 2 4.5 5.5 51 1.5 3 4 VOUT = 3.3V VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V VOUT = 0.8V ILOAD 2A/DIV VOUT 20mV/DIV VIN = 5V VOUT = 1.2V COUT = 100µF, 6.3V CERAMICS 20µs/DIV
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VIN = 5V VOUT = 1.5V COUT = 100µF, 6.3V CERAMICS 20µs/DIV
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VIN = 5V VOUT = 1.8V COUT = 100µF, 6.3V CERAMICS 20µs/DIV
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VIN = 5V VOUT = 2.5V COUT = 100µF, 6.3V CERAMICS 20µs/DIV
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VIN = 5V VOUT = 3.3V COUT = 100µF, 6.3V CERAMICS 20µs/DIV
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Typical perForMance characTerisTics Start-Up Start-Up VFB vs Temperature Current Limit Foldback Short-Circuit Protection 1.5V Short, No Load TEMPERATURE (°C) –50
794 VFB (mV)
–25 500 25 125 100 75
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OUTPUT CURRENT (A) VOUT (V) 0.6 0.8 1.0 6 8
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0.4 0.2 4 5 7 1.2 1.4 1.6 VIN = 5V VIN = 3.3V VIN = 2.5V VOUT = 1.5V VOUT 0.5V/DIV IIN 1A/DIV 20µs/DIV
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1.5V Short, 4A Load VOUT 0.5V/DIV IIN 1A/DIV 100µs/DIV
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VIN = 5V VOUT = 2.5V COUT = 100µF NO LOAD (0.01µF SOFT-START CAPACITOR) 200µs/DIV
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VIN = 5V VOUT = 2.5V COUT = 100µF 4A LOAD (0.01µF SOFT-START CAPACITOR) 200µs/DIV
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VIN1, VIN2 (J1-J6, K1-K6); (C1-C6, D1-D6): Power Input Pins. Apply input voltage between these pins and GND pins. Recommend placing input decoupling capacitance directly between VIN pins and GND pins. VOUT1, VOUT2 (J9-J12, K9-K12, L9-L12, M9-M12); (C9-C12, D9-D12, E9-E12, F9-F12): Power Output Pins. Apply out- put load between these pins and GND pins. Recommend placing output decoupling capacitance directly between these pins and GND pins. Review Table 4. GND1, GND2, (G1-G12, H1, H7-H12, J7-J8, K7-K8, L1, L7-L8, M1-M8); (A1-A12, B1, B7-B12, C7-C8, D7-D8, E1, E7-E8, F1-F8): Power Ground Pins for Both Input and Output Returns. TRACK1, TRACK2 (L3, E3): Output Voltage T racking Pins. When the module is configured as a master output, then a soft-start capacitor is placed on the RUN/SS pin to ground to control the master ramp rate, or an external ramp can be applied to the master regulator’s track pin to control it.
center point of the divider to this pin on the slave regulator. Applications Information section. the Applications Information section. comparator threshold increases with this control voltage. the Applications Information section. to copper on the board for improved thermal performance. Figure 1. Simplified LTM4614 Block Diagram of Each Switching Regulator Channel
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Decoupling requireMenTs TA = 25°C. Use Figure 1 configuration for each channel. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CIN External Input Capacitor Requirement (VIN = 2.375V to 5.5V, VOUT = 1.5V) IOUT = 4A 22 µF COUT External Output Capacitor Requirement IN = 2.375V to 5.5V, VOUT = 1.5V) IOUT = 4A 100 µF operaTion LTM4614 POWER MODULE DESCRIPTION The LTM4614 is a standalone dual nonisolated switching mode DC/DC power supply. It can deliver up to 4A of DC output current for each channel with few external input and output capacitors. This module provides two precisely regulated output voltages programmable via one external resistor for each channel from 0.8V DC to 5V DC over a 2.375V to 5.5V input voltage. The typical application schematic is shown in Figure 12. The LTM4614 has two integrated constant frequency cur- rent mode regulators, with built-in power MOSFETs with fast switching speed. The typical switching frequency is 1.25MHz. With current mode control and internal feedback loop compensation, these switching regulators have suf- ficient stability margins and good transient performance under a wide range of operating conditions and with a wide range of output capacitors, even all ceramic output capacitors. Current mode control provides cycle-by-cycle fast current limit. Besides, current limiting is provided in an overcur- rent condition with thermal shutdown. In addition, inter- nal overvoltage and undervoltage comparators pull the open-drain PGOOD outputs low if the particular output feedback voltage exits a ±7.5% window around the regu- lation point. Furthermore, in an overvoltage condition , internal top FET , M1, is turned off and bottom FET , M2, is turned on and held on until the overvoltage condition clears, or current limit is exceeded. Pulling each specific RUN pin below 0.8V forces the spe- cific regulator controller into its shutdown state, turning off both M1 and M2 for each power stage. At low load current, each regulator works in continuous current mode by default to achieve minimum output voltage ripple. The TRACK and RUN/SS pins are used for power supply tracking and soft-start programming for each specific regulator. See the Applications Information section. The LTM4614 is internally compensated to be stable over the operating conditions. Table 4 provides a guideline for input and output capacitance for several operating con- ditions. The L TpowerCAD™ GUI is available for transient and stability analysis. The FB pins are used to program the specific output volt- age with a single externally connected resistor to ground.
A typical LTM4614 application circuit is shown in Figure 12. is sufficient. See Typical Performance Characteristics. feedback resistor connects the VOUT and FB pins together. Table 1. FB Resistor Table vs Various Output Voltages included inside the module for each regulator channel. long inductive leads or traces. rated aluminum electrolytic OS-CON or polymer capacitor. total bulk capacitance to maximize transient performance. See Figure 11 for recommended PCB layout.
Figure 2. Dual Outputs (1.5V and 1.2V) with Tracking
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in steady-state operation, but also in transient. around 150°C for each channel. the internal undervoltage lockout threshold. an example of coincident tracking.
Figure 3. Output Voltage Coincident Tracking
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TRACK1 is the track ramp applied to the slave’s track pin. has reached its final value. master’s output slew rate in Volts/Time. VTRACK. Therefore RTB = 4.99k and RTA = 10k in Figure 2. voltage will reach it final value before the master output. for tracking to operate properly during power down. pins monitor a ±7.5% window around the regulation point.
N is the number of paralleled channels. perature chamber along with thermal modeling analysis. current or power while increasing ambient temperature. Figure 5. 1.2V Power Loss Figure 6. 3.3V Power Loss
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Figure 7. 1.2V No Heat Sink (VIN = 5V) Figure 8. 1.2V Heat Sink (VIN = 5V) Figure 9. 3.3V No Heat Sink (VIN = 5V) Figure 10. 3.3V Heat Sink (VIN = 5V)
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30°C divided by 1.5W equals a 20°C/W thermal resistance. under the Pin Configuration diagram.
Figure 11. Recommended PCB Layout
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erations are still necessary.
- Refer to http://www.linear.com/docs/29812 for device land pattern and stencil design.
- Use large PCB copper areas for high current paths, including V IN, GND and VOUT. It helps to minimize the PCB conduction loss and thermal stress.
- Place high frequency ceramic input and output capaci- tors next to the V IN, GND and V OUT pins to minimize high frequency noise.
- Place a dedicated power ground layer underneath the unit.
- To minimize the via conduction loss and reduce module thermal stress, use multiple vias for interconnection between the top layer and other power layers.
- Do not put vias directly on pads unless they are capped. Figure 11 gives a good example of the recommended layout.
Figure 12. Typical 2.375VIN to 5.5VIN, 1.2V and 1V at 4A Table 4. Output Voltage Response vs Component Matrix (Refer to Figure 12) 0A to 2.5A Load Step Typical Measured Values *Bulk capacitance is optional if VIN has very low input impedance.
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Figure 13. LTM4614 Parallel 1.2V at 8A Design (Also, See the LTM4608A) Figure 14. 1.8V and 1.5V at 4A with Output Voltage T racking Design
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NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994 2. ALL DIMENSIONS ARE IN MILLIMETERS BALL DESIGNATION PER JESD MS-028 AND JEP95 5. PRIMARY DATUM -Z- IS SEATING PLANE DETAILS OF PIN #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE PIN #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE PACKAGE TOP VIEW PIN “A1” CORNER X Y aaa Z aaa Z PACKAGE BOTTOM VIEW SEE NOTES SUGGESTED PCB LAYOUT TOP VIEW LGA 144 1111 REV B L TMXXXXXX µModule TRAY PIN 1 BEVEL PACKAGE IN TRAY LOADING ORIENTATION COMPONENT PIN “A1” 0.0000 0.0000 D E b e e b F G 144-Lead (15mm × 15mm × 2.82mm) (Reference LTC DWG # 05-08-1816 Rev B) 0.6350 0.6350 1.9050 1.9050 3.1750 3.1750 4.4450 4.4450 5.7150 5.7150 6.9850 6.9850 6.9850 5.7150 5.7150 4.4450 4.4450 3.1750 3.1750 1.9050 1.9050 0.6350 0.6350 6.9850 DETAIL B PACKAGE SIDE VIEW bbb Z SYMBOL A b D E e F G aaa bbb eee MIN 2.72 0.60 0.27 2.45 NOM 2.82 0.63 15.00 15.00 1.27 13.97 13.97 0.32 2.50 MAX 2.92 0.66 0.37 2.55 0.15 0.10 0.05 NOTES DIMENSIONS TOTAL NUMBER OF LGA PADS: 144 DETAIL B SUBSTRATEMOLD CAP Z A DIA 0.630 PAD 1 3x, C (0.22 x45°) DETAIL A 0.630 ±0.025 SQ. 143x S Y X eee DETAIL A F G H M L J K E A B C D 2 14 35 6 712 8 9 10 11 package DescripTion Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
LTM4614 Component LGA Pinout PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION A1 GND2 B1 GND2 C1 V IN2 D1 V IN2 E1 GND2 F1 GND2 A2 GND2 B2 SW2 C2 V IN2 D2 V IN2 E2 RUN/SS2 F2 GND2 A3 GND2 B3 SW2 C3 V IN2 D3 V IN2 E3 TRACK2 F3 GND2 A4 GND2 B4 SW2 C4 V IN2 D4 V IN2 E4 PGOOD2 F4 GND2 A5 GND2 B5 SW2 C5 V IN2 D5 V IN2 E5 COMP2 F5 GND2 A6 GND2 B6 SW2 C6 V IN2 D6 V IN2 E6 FB2 F6 GND2 A7 GND2 B7 GND2 C7 GND2 D7 GND2 E7 GND2 F7 GND2 A8 GND2 B8 GND2 C8 GND2 D8 GND2 E8 GND2 F8 GND2 A9 GND2 B9 GND2 C9 V OUT2 D9 V OUT2 E9 V OUT2 F9 V OUT2 A10 GND2 B10 GND2 C10 V OUT2 D10 V OUT2 E10 V OUT2 F10 V OUT2 A11 GND2 B11 GND2 C11 V OUT2 D11 V OUT2 E11 V OUT2 F11 V OUT2 A12 GND2 B12 GND2 C12 V OUT2 D12 V OUT2 E12 V OUT2 F12 V OUT2 PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION PIN ID FUNCTION G1 GND1 H1 GND1 J1 V IN1 K1 V IN1 L1 GND1 M1 GND1 G2 GND1 H2 SW1 J 2 V IN1 K2 V IN1 L2 RUN/SS1 M2 GND1 G3 GND1 H3 SW1 J3 V IN1 K3 V IN1 L3 TRACK1 M3 GND1 G4 GND1 H4 SW1 J4 V IN1 K4 V IN1 L4 PGOOD1 M4 GND1 G5 GND1 H5 SW1 J5 V IN1 K5 V IN1 L5 COMP1 M5 GND1 G6 GND1 H6 SW1 J6 V IN1 K6 V IN1 L6 FB1 M6 GND1 G7 GND1 H7 GND1 J7 GND1 K7 GND1 L7 GND1 M7 GND1 G8 GND1 H8 GND1 J8 GND1 K8 GND1 L8 GND1 M8 GND1 G9 GND1 H9 GND1 J9 V OUT1 K9 V OUT1 L9 V OUT1 M9 V OUT1 G10 GND1 H10 GND1 J10 V OUT1 K10 V OUT1 L10 V OUT1 M10 V OUT1 G11 GND1 H11 GND1 J11 V OUT1 K11 V OUT1 L11 V OUT1 M11 V OUT1 G12 GND1 H12 GND1 J12 V OUT1 K12 V OUT1 L12 V OUT1 M12 V OUT1
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision hisTory
REV DATE DESCRIPTION PAGE NUMBER B 08/12 Update Pin Configuration drawing. Remove reference to obsolete Application Note. Correct typical performance curves. Clarify RUN/SS and FB Pin Function information. Update Block Diagram. Clarify RUN/SS Applications Information. Correct feedback resistor value. 4 and 5 (Revision history begins at Rev B)
Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear .com LINEAR TECHNOLOGY CORPORATION 2009 LT 0812 REV B • PRINTED IN USA relaTeD parTs PART NUMBER DESCRIPTION COMMENTS LT C
2900 Quad Supply Monitor with Adjustable Reset Timer Monitors Four Supplies, Adjustable Reset Timer
LTC2923 Power Supply T racking Controller T racks Both Up and Down, Power Supply Sequencing LTM4600HV 10A DC/DC µModule Regulator 4.5V ≤ VIN ≤ 28V , 0.6V ≤ VOUT ≤ 5V , LGA Package LTM4600HVMP Wide Temperature Range 10A DC/DC µModule Regulator Guaranteed Operation from –55°C to 125°C Ambient, LGA Package LTM4601A 12A DC/DC µModule Regulator with PLL, Output T racking/Margining and Remote Sensing Synchronizable PolyPhase Operation, LTM4601-1/LTM4601A-1 Version Has No Remote Sensing, LGA Package LTM4602 6A DC/DC µModule Regulator Pin Compatible with the LTM4600, LGA Package LTM4603 6A DC/DC µModule Regulator with PLL and Output T racking/Margining and Remote Sensing Synchronizable, PolyPhase Operation, LTM4603-1 Version Has No Remote Sensing, Pin Compatible with the LTM4601, LGA Package LTM4604A Low V IN 4A DC/DC µModule Regulator 2.375V ≤ VIN ≤ 5.5V , 0.8V ≤ VOUT ≤ 5V , 9mm × 15mm × 2.32mm LTM4605 5A to 12A Buck-Boost µModule Regulator 4.5V ≤ VIN ≤ 20V , 0.8V ≤ VOUT ≤ 16V , 15mm × 15mm × 2.82mm LTM4607 5A to 12A Buck-Boost µModule Regulator 4.5V ≤ VIN ≤ 36V , 0.8V ≤ VOUT ≤ 25V , 15mm × 15mm × 2.82mm LTM4608A Low VIN 8A DC/DC Step-Down µModule Regulator 2.7V ≤ VIN ≤ 5.5V , 0.6V ≤ VOUT ≤ 5V , 9mm × 15mm × 2.82mm LTM4615 T riple Low VIN DC/DC µModule Regulator Tw o 4A Outputs and One 1.5A Output; 15mm × 15mm × 2.82mm LTM4616 Dual 8A DC/DC µModule Regulator Current Share Inputs or Outputs; 15mm × 15mm × 2.82mm LTM8022 High VIN 1A DC/DC Step-Down µModule Regulator 3.6V ≤ VIN ≤ 36V , 0.8V ≤ VOUT ≤ 10V , 11.25mm × 9mm × 2.82mm LTM8023 High VIN 2A DC/DC Step-Down µModule Regulator 3.6V ≤ VIN ≤ 36V , 0.8V ≤ VOUT ≤ 10V , 11.25mm × 9mm × 2.82mm PolyPhase is a registered trademark of Linear Technology Corporation. package phoTograph