Texas Instruments LM337KTTRG3 Microcontrollers

Name: LM337KTTRG3
Brand: Texas Instruments
SKU: LM337KTTRG3
Price: 2.621 USD
Availability: InStock

1.5A Neg Adj LDO, -37V Out, TO-263, 0-125C

50,000 ActiveTexas InstrumentsTO-263-4, D²Pak (3 Leads + Tab), TO-263AA$2.62

Same model may have multiple batches, images only for reference.

LM337KTTRG3

Manufacturer

Texas Instruments

Part Number (MPN)

LM337KTTRG3

Technical Specifications

Texas Instruments LM337KTTRG3 Microcontrollers technical specifications.

General

Series

LM337

RoHS

Yes

Package / Case

TO-263-4, D²Pak

Mounting Type

Surface Mount

Operating Temperature

0°C ~ 125°C

Lifecycle Status

Active

Output Type

Adjustable

Max Input Voltage

-40V

Output Current

1.5A

Output Configuration

Negative

Alternate Parts Comparison (LM337KTTRG3 vs LM2931ASX-5.0/NOPB vs LM2990SX-15/NOPB vs LM340SX-12/NOPB)

Side-by-side technical parameter comparison of related primary models in this product family.

	This Part	Alternate Parts	Alternate Parts	Alternate Parts
	Texas InstrumentsLM337KTTRG3	Texas InstrumentsLM2931ASX-5.0/NOPB	Texas InstrumentsLM2990SX-15/NOPB	Texas InstrumentsLM340SX-12/NOPB
Package / Case	TO-263-4, D²Pak	TO-263-4, D²Pak	TO-263-4, D²Pak	TO-263-4, D²Pak
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	0°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	0°C ~ 125°C
Max Input Voltage	-40V	26V	-26V	35V
Number of Regulators	1	1	1	1
Output Configuration	Negative	Positive	Negative	Positive
Output Current	1.5A	100mA	1.8A	1.5A
Output Type	Adjustable	Fixed	Fixed	Fixed
Output Voltage	-1.2V	5V	-15V	12V
Protection Features	Over Temperature, Short Circuit	Over Temperature, Reverse Polarity, Short Circuit	Over Temperature, Short Circuit	Over Temperature, Short Circuit
PSRR	77dB (120Hz)	80dB (120Hz)	52dB (1kHz)	80dB (120Hz)
Quiescent Current	1.5 mA	15 mA	1 mA	8 mA
Action	RFQ	RFQ	RFQ	RFQ

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

LM337D2TR4G onsemi

Directonsemi

Pin YesPkg YesElec Yes

Adj.

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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.

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800-mA, 15-V, linear voltage regulator 3-DDPAK/TO-263 -40 to 125

REG1117FA-2.5/500 Texas Instruments

1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125

REG1117FA-5.0/500 Texas Instruments

1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125

REG1117FA/500 Texas Instruments

1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125