LM237

Name: LM237
Brand: TI
SKU: LM237
Price: .319 USD

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1.5-A, negative, adjustable linear voltage regulator with low-IQ

Data sheet

LMx37 3-Terminal Adjustable Regulators datasheet (Rev. L)

Online data sheet

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1.5-A, negative, adjustable linear voltage regulator with low-IQ

LM237

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Data sheet

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Product details

Parameters

Output options

Adjustable Output, Negative Output

Iout (Max) (A)

1.5

Vin (Max) (V)

-3

Vin (Min) (V)

-40

Vout (Max) (V)

-1.2

Vout (Min) (V)

-37

Noise (uVrms)

1110

Iq (Typ) (mA)

0.065

Thermal resistance θJA (°C/W)

Load capacitance (Min) (µF)

Rating

Catalog

Regulated outputs (#)

Features

—

Accuracy (%)

PSRR @ 100 KHz (dB)

Dropout voltage (Vdo) (Typ) (mV)

2000

Operating temperature range (C)

-25 to 150

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Package | Pins | Size

TO-220 (KCS)

88 mm² 10.15 x 15.4

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Features

Output Voltage Range Adjustable
From –1.2 V to –37 V
Output Current Capability of 1.5 A Max
Input Regulation Typically 0.01% Per Input-
Voltage Change
Output Regulation Typically 0.3%
Peak Output Current Constant Over Temperature
Range of Regulator
Ripple Rejection Typically 77 dB
Direct Replacement for Industry-Standard LM237
and LM337

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The LM237 and LM337 are adjustable 3-terminal negative-voltage regulators capable of supplying in excess of –1.5 A over an output voltage range of –1.2 V to –37 V. They require only two external resistors to set the output voltage and one output capacitor for frequency compensation.

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Technical documentation

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	Type	Title	Date
*	Datasheet	LMx37 3-Terminal Adjustable Regulators datasheet (Rev. L)	Jan. 12, 2015
	Application note	LDO Noise Demystified (Rev. B)	Aug. 18, 2020
	Technical article	LDO basics: capacitor vs. capacitance	Aug. 01, 2018
	Technical article	LDO Basics: Preventing reverse current	Jul. 25, 2018
	Technical article	LDO basics: introduction to quiescent current	Jun. 20, 2018
	Application note	LDO PSRR Measurement Simplified (Rev. A)	Aug. 09, 2017
	Technical article	LDO basics: noise – part 1	Jun. 14, 2017
	Application note	AB-12 Wide Adjustable Range PNP Voltage Regulator (Rev. B)	May 06, 2013
	Application note	AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)	May 06, 2013
	Application note	AN-42 IC Provides On-Card Regulation for Logic Circuits (Rev. B)	May 06, 2013
	Application note	AN-178 Applications for an Adjustable IC Power Regulator (Rev. B)	May 05, 2013
	Application note	AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)	May 05, 2013
	Application note	Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)	May 05, 2013
	Application note	AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)	Apr. 23, 2013
	Application note	High-Efficiency Reg has Low Drop-Out Voltage (Rev. B)	Apr. 23, 2013
	Application note	A New Production Technique for Trimming Voltage Regulators	Oct. 03, 2002
	Application note	Adjustable 3-Terminal Regulator for Low-Cost Battery Charging Systems	Oct. 03, 2002
	Application note	High Stability Regulators	Oct. 03, 2002