LM120K-12/883

LM120QML TI1 | Alldatasheet

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LM120QML Series 3-Terminal Negative Regulators Literature Number: SNVS368

December 16, 2010 Series 3-Terminal Negative Regulators General Description The LM120 series are three-terminal negative regulators with a fixed output voltage of −5V, −12V, and −15V, and up to 1.5A load current capability. Where other voltages are required, the LM137 and LM137HV series provide an output voltage range of −1.2V to −47V. The LM120 needs only one external component—a compen- sation capacitor at the output, making them easy to apply. Worst case guarantees on output voltage deviation due to any combination of line, load or temperature variation assure sat- isfactory system operation. Exceptional effort has been made to make the LM120 Series immune to overload conditions. The regulators have current limiting which is independent of temperature, combined with thermal overload protection. Internal current limiting protects against momentary faults while thermal shutdown prevents junction temperatures from exceeding safe limits during pro- longed overloads. Although primarily intended for fixed output voltage applica- tions, the LM120 Series may be programmed for higher out- put voltages with a simple resistive divider. The low quiescent drain current of the devices allows this technique to be used with good regulation.

Features

■ Preset output voltage error less than ±3% ■ Preset current limit ■ Internal thermal shutdown ■ Operates with input-output voltage differential down to 1V ■ Excellent ripple rejection ■ Low temperature drift ■ Easily adjustable to higher output voltage LM120 Series Packages and Power Capability Rated Design Package Power Load Dissipation Current TO-3 (K) 20W 1.5A TO-39 (H) 2W 0.5A

Ordering Information

NS Part Number SMD Part Number NS Package Number Package Description LM120H-5.0/883 H03A 3LD T0–39 Metal Can LM120H-12/883 H03A 3LD T0–39 Metal Can LM120H-15/883 H03A 3LD T0–39 Metal Can LM120K-12/883 K02C 2LD T0–3 Metal Can LM120K-15/883 K02C 2LD T0–3 Metal Can LM120KG–5 MD8 (Note 1) Bare Die LM120KG–12 MD8 (Note 1) Bare Die LM120KG–15 MD8 (Note 1) Bare Die Note 1: FOR ADDITIONAL DIE INFORMATION, PLEASE VISIT THE HI REL WEB SITE AT: www.national.com/analog/space/level_die Connection Diagrams 20150114 Bottom View Steel Metal Can Package TO-3 (K) See NS Package Number K02C 20150113 Bottom View Metal Can Package TO-39 (H) See NS Package Number H03A © 2010 National Semiconductor Corporation 201501 www.national.com LM120QML Series 3-Terminal Negative Regulators

−5V 20150118 −12V and −15V 20150119 www.national.com 2 LM120QML

Absolute Maximum Ratings (Note 2) LM120−5 LM120−12 LM120−15 Power Dissipation Internally Limited Input Voltage −25V −35V −40V Input-Output Voltage Differential 25V 30V 30V Junction Temperatures 150°C Storage Temperature Range −65°C ≤ TA ≤ +150°C Operating Temperature Range −55°C ≤ TA ≤ +125°C Lead Temperature (Soldering, 10 sec.) 300°C Thermal Resistance θJA H-Pkg (Still Air @ 0.5W) 191°C/W H-Pkg (500LF/Min Air flow @ 0.5W) 70°C/W K-Pkg (Still Air @ 0.5W) 35°C/W K-Pkg (500LF/Min Air flow @ 0.5W) TBD θJC H-Pkg 29°C/W K-Pkg 3°C/W ESD Tolerance (Note 4) 4000V Quality Conformance Inspection Mil-Std-883, Method 5005 - Group A Subgroup Description Temp (°C)

1 Static tests at +25

2 Static tests at +125

3 Static tests at -55

4 Dynamic tests at +25

5 Dynamic tests at +125

6 Dynamic tests at -55

7 Functional tests at +25

8A Functional tests at +125 8B Functional tests at -55

9 Switching tests at +25

10 Switching tests at +125

11 Switching tests at -55

12 Settling time at +25

13 Settling time at +125

14 Settling time at -55

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LM120H-5.0 DC Parameters The following conditions apply, unless otherwise specified. V IN = −10V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -7V 2.0 mA 1, 2, 3 VIN = -25V 2.0 mA 1, 2, 3 ΔIQ Quiescent Current Change 5mA ≤ IL ≤ 0.5A -0.4 0.4 mA 1 -0.5 0.5 mA 2, 3 -25V ≤ VIN ≤ -7V -0.4 0.4 mA 1 -0.5 0.5 mA 2, 3 VOUT Output Voltage -5.1 -4.9 V 1 VIN = -25V, IL = 100mA -5.2 -4.8 V 1, 2, 3 RLine Line Regulation -25V ≤ VIN ≤ -7V -25 25 mV 1 -50 50 mV 2, 3 RLoad Load Regulation 5mA ≤ IL ≤ 0.5A -50 50 mV 1 -100 100 mV 2, 3 IOS Short Circuit Current VIN = -25V 0.1 1.5 A 1 RR Ripple Rejection ƒ = 120Hz, IL = 125mA, eI = 1VRMS 54 dB 4 LM120K-5.0 DC Parameters The following conditions apply, unless otherwise specified. V IN = −10V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -7V 2.0 mA 1, 2, 3 VIN = -25V 2.0 mA 1, 2, 3 ΔIQ Quiescent Current Change 5mA ≤ IL ≤ 1.5A -0.4 0.4 mA 1 -0.5 0.5 mA 2, 3 -25V ≤ VIN ≤ -7V -0.4 0.4 mA 1 -0.5 0.5 mA 2, 3 VOUT Output Voltage -5.1 -4.9 V 1 RLine Line Regulation -25V ≤ VIN ≤ -7V -25 25 mV 1 -50 50 mV 2, 3 RLoad Load Regulation 5mA ≤ IL ≤ 1.5A -75 75 mV 1 -100 100 mV 2, 3 IOS Short Circuit Current VIN = -25V 0.4 3.0 A 1 RR Ripple Rejection ƒ = 120Hz, IL = 350mA, eI = 1VRMS 54 dB 4 www.national.com 4 LM120QML

The following conditions apply, unless otherwise specified. V IN = −17V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -14V 4.0 mA 1, 2, 3 VIN = -32V 4.0 mA 1, 2, 3 ΔIQ Quiescent Current Change VIN = -17V, 5mA ≤ IL ≤ 200mA 0.4 mA 1 0.5 mA 2, 3 -32V ≤ VIN ≤ -14V 0.4 mA 1 0.5 mA 2, 3 RLoad Load Regulation VIN = -17V, 5mA ≤ IL ≤ 200mA -25 25 mV 1 -50 50 2, 3 RLine Line Regulation -32V ≤ VIN ≤ -14V -10 10 mV 1 -20 20 mV 2, 3 IOS Short Circuit Current VIN = -32V 0.1 1.5 A 1 VOUT Output Voltage VIN = -17V -12.3 -11.7 V 1 VIN = -32V -12.5 -11.5 V 1, 2, 3 VIN = -32V, IL = 100mA -12.5 -11.5 V 1, 2, 3 VIN = -14.5V, IL = 200mA -12.5 -11.5 V 1, 2, 3 RR Ripple Rejection ƒ = 120Hz, IL = 125mA, ei = 1VRMS 56 dB 4 LM120K-12 DC Parameters The following conditions apply to all the following parameters, unless otherwise specified. V IN = −17V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -14V 4.0 mA 1, 2, 3 VIN = -32V 4.0 mA 1, 2, 3 ΔIQ Quiescent Current Change VIN = -17V, 5mA ≤ IL ≤ 1A 0.4 mA 1 0.5 mA 2, 3 -32V ≤ VIN ≤ -14V 0.4 mA 1 0.5 mA 2, 3 RLoad Load Regulation VIN = -17V, 5mA ≤ IL ≤ 1A -80 80 mV 1, 2, 3 RLine Line Regulation -32V ≤ VIN ≤ -14V -10 10 mV 1 -20 20 mV 2, 3 IOS Short Circuit Current VIN = -32V 0.4 3.0 A 1 VOUT Output Voltage VIN = -17V -12.3 -11.7 V 1 VIN = -32V -12.5 -11.5 V 1, 2, 3 VIN = -32V, IL = 1A -12.5 -11.5 V 1, 2, 3 RR Ripple Rejection ƒ = 120Hz, IL = 350mA, ei = 1VRMS 56 dB 4 5 www.national.com LM120QML

The following conditions apply to all the following parameters, unless otherwise specified. V IN = 20V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -17V 4.0 mA 1, 2, 3 VIN = -35V 4.0 mA 1, 2, 3 ΔIQ Quiescent Current Change VIN = -17V, 5mA ≤ IL ≤ 200mA 0.4 mA 1 0.5 mA 2, 3 -35V ≤ VIN ≤ -17V 0.4 mA 1 0.5 mA 2, 3 RLoad Load Regulation VIN = -20V, 5mA ≤ IL ≤ 200mA -25 25 mV 1 −50 50 mV 2, 3 RLine Line Regulation -35V ≤ VIN ≤ -17V -10 10 mV 1 -20 20 mV 2, 3 IOS Short Circuit Current VIN = -35V 0.1 1.5 A 1 VOUT Output Voltage VIN = -20V -15.3 -14.7 V 1 VIN = -35V -15.5 -14.5 V 1, 2, 3 VIN = -35V, IL = 100mA -15.5 -14.5 V 1, 2, 3 VIN = -17.5V, IL = 200mA -15.5 -14.5 V 1, 2, 3 RR Ripple Rejection ƒ = 120Hz, IL = 125mA, ei = 1VRMS 56 dB 4 LM120K-15 DC Parameters The following conditions apply, unless otherwise specified. V IN = 20V, IL = 5mA Symbol Parameter Conditions Notes Min Max Unit Sub- groups IQ Quiescent Current VIN = -17V 4.0 mA 1, 2, 3 VIN = -35V 4.0 mA 1, 2, 3 ΔIQ Quiescent Current Change VIN = -17V, 5mA ≤ IL ≤ 1A 0.4 mA 1 0.5 mA 2, 3 -35V ≤ VIN ≤ -17V 0.4 mA 1 0.5 mA 2, 3 RLoad Load Regulation VIN = -20V, 5mA ≤ IL ≤ 1A -80 80 mV 1, 2, 3 RLine Line Regulation -35V ≤ VIN ≤ -17V -10 10 mV 1 -20 20 mV 2, 3 IOS Short Circuit Current VIN = -35V 0.4 3.0 A 1 VOUT Output Voltage VIN = -20V -15.3 -14.7 V 1 VIN = -35V -15.5 -14.5 V 1, 2, 3 VIN = -35V, IL = 1A -15.5 -14.5 V 1, 2, 3 ΔVO / Δt Long Term Stability (Note 3) 150 mV 1 RR Ripple Rejection ƒ = 120Hz, IL = 350mA, eI = 1VRMS 56 dB 4 www.national.com 6 LM120QML

Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. Note 3: Guaranteed parameter, not tested Note 4: Human body model, 1.5 kΩ in seriew with 100 pF. Typical Performance Characteristics Output Voltage vs Temperature 20150120 Ripple Rejection (All Types) 20150121 Output Impedance TO-3 20150122 Output Impedance TO-5 20150123 Minimum Input-Output Differential TO-3 20150124 Minimum Input-Output Differential TO-5 20150125 7 www.national.com LM120QML

Dissipation (TO-3) 20150128 *These curves for LM120. Derate 25°C further for LM320. Maximum Average Power Dissipation (TO-5) 20150129 Short Circuit Current 20150132 www.national.com 8 LM120QML

High Stability 1 Amp Regulator 20150106 Lead and line regulation — 0.01% temperature stability — 0.2% †Determines Zener current. ††Solid tantalum. An LM120-12 or LM120-15 may be used to permit higher input voltages, but the regulated output voltage must be at least −15V when using the LM120-12 and −18V for the LM120-15. **Select resistors to set output voltage. 2 ppm/°C tracking suggested. Wide Range Tracking Regulator 20150107 * Resistor tolerance of R1 and R2 determine matching of (+) and (−) inputs. **Necessary only if raw supply capacitors are more than 3″ from regulators An LM3086N array may substitute for Q1, D1 and D2 for better stability and tracking. In the array diode transistors Q5 and Q4 (in parallel) make up D2; similarly, Q1 and Q2 become D1 and Q3 replaces the 2N2222. Current Source 20150108 9 www.national.com LM120QML

*Optional. Improves transient response and ripple rejection. SELECT R2 AS FOLLOWS: LM120-5 −300Ω LM120-12 −750Ω LM120-15 −1k Light Controllers Using Silicon Photo Cells 20150110 *Lamp brightness increases until iI = 5V/R1 (iI can be set as low as 1 μA). †Necessary only if raw supply filter capacitor is more than 2″ from LM320MP. 20150111 *Lamp brightness increases until iI =iQ (1 mA) + 5V/R1. †Necessary only if raw supply filter capacitor is more than 2″ from LM320. Dual Trimmed Supply 20150103 Fixed Regulator 20150102 *Required if regulator is separated from filter capacitor by more than 3″. For value given, capacitor must be solid tantalum. 25 μF aluminum electrolytic may be substituted. †Required for stability. For value given, capacitor must be solid tantalum. 25 μF aluminum electrolytic may be substituted. Values given may be increased without limit. For output capacitance in excess of 100 μF, a high current diode from input to output (1N4001, etc.) will protect the regulator from momentary input shorts. www.national.com 10 LM120QML

±15V, 1 Amp Tracking Regulators 20150112 Performance (Typical) Load Regulation at ΔIL = 1A 10 mV 1 mV Output Ripple, CIN = 3000 μF, IL = 1A 100 μVRMS 100 μVRMS Temperature Stability +50 mV +50 mV Output Noise 10 Hz ≤ f ≤ 10 kHz 150 μVRMS 150 μVRMS *Resistor tolerance of R4 and R5 determine matching of (+) and (−) outputs. **Necessary only if raw supply filter capacitors are more than 2″ from regulators. 11 www.national.com LM120QML

Revision History

Date Released Revision Section Changes 12/15/2010 A New release to the corporate format 6 MDS datasheets were converted and merged into one datasheet compliant to corporate format. Drift endpoints removed since note used on 883 product. MDS MNLM120-5.0-K Rev OBL, MNLM120-5.0-H Rev 0BL, MNLM120-12-K Rev OBL, MNLM120-12- H Rev 0BL, MNLM120-15-K Rev OBL, & MNLM120-15-H Rev 0BL will be archived. www.national.com 12 LM120QML

Physical Dimensions inches (millimeters) unless otherwise noted Metal Can Package (TO-39) (H) Steel Metal Can Package TO-3 (K) 13 www.national.com LM120QML

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