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See Technical Specifications

LM137H +BOM

Versatile negative voltage regulator with adjustable output for harsh environments

Manufacturer:

Texas Instruments
Mfr.Part #:

LM137H
Datasheet:

LM137H Datasheet (PDF)
Output Options:

Adjustable Output
Iout (max) (A):

1.5
Vin (max) (V):

-4.2
Vin (min) (V):

-40

LM137H Information

Description

The LM137H is a negative voltage regulator from Texas Instruments (TI) that provides an adjustable output voltage range of -1.2V to -37V with a maximum output current of 1.5A. It features high ripple rejection, low dropout voltage, and thermal overload protection. The device operates within a temperature range of -55°C to 150°C and comes in a TO-39 metal can package. The LM137H is commonly used in industrial and automotive applications to provide a stable voltage output. Its versatility makes it suitable for powering electronic devices, voltage stabilization in power supplies, and precision voltage control in instrumentation. The device is ideal for applications where a negative voltage is required, such as in audio equipment, medical devices, and industrial controls.

Features

The LM137H features include:

Adjustable output voltage
High ripple rejection
Low dropout voltage
Thermal overload protection
Maximum output current of 1.5A
Operating temperature range: -55°C to 150°C
Package: TO-39 metal can

These features make the LM137H suitable for various applications, including industrial and automotive uses, providing a stable voltage output for powering electronic devices, stabilizing power supplies, and controlling precision voltages in instrumentation.

Package

The package type of LM137H is TO-39 metal can.

Manufacturer

The manufacturer of the LM137H is Texas Instruments (TI), a well-known American technology company that specializes in semiconductor components, including microprocessors, memory devices, and analog integrated circuits. TI is one of the largest and most respected companies in the industry, with a wide range of products used in various applications such as consumer electronics, automotive systems, industrial equipment, and more.

Applications

The LM137H is commonly used in industrial and automotive applications to provide a stable voltage output, powering electronic devices, voltage stabilization in power supplies, and precision voltage control in instrumentation. Its versatility makes it suitable for various applications where a negative voltage source is required.

Equivalent

The equivalent products of LM137H are:

LM317
LM337
NCP543
TPS61045

These devices offer similar functionality, such as adjustable output voltage, high ripple rejection, and low dropout voltage, making them suitable replacements or alternatives to the LM137H.

Specifications

Output options	Adjustable Output	Iout (max) (A)	1.5
Vin (max) (V)	-4.2	Vin (min) (V)	-40
Vout (max) (V)	-1.2	Vout (min) (V)	-37
Noise (µVrms)	1110	Iq (typ) (mA)	0.065
Thermal resistance θJA (°C/W)	137	Rating	Military
Load capacitance (min) (µF)	1	Regulated outputs (#)	1
Accuracy (%)	4	PSRR at 100 KHz (dB)	30
Dropout voltage (Vdo) (typ) (mV)	3000	Operating temperature range (°C)	-55 to 150
Package/Case	TO-CAN (NDT)-3