Texas Instruments LM317SX/NOPB Microcontrollers

Name: LM317SX/NOPB
Brand: Texas Instruments
SKU: LM317SX/NOPB
Price: 2.0824 USD
Availability: InStock

Adjustable Linear Voltage Regulator, 1.5A, 40V, TO-263

1,554 ActiveTexas InstrumentsTO-263-4, D²Pak (3 Leads + Tab), TO-263AA$2.08

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

LM317SX/NOPB

Manufacturer

Texas Instruments

Part Number (MPN)

LM317SX/NOPB

Technical Specifications

Texas Instruments LM317SX/NOPB Microcontrollers technical specifications.

General

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

37V

Output Current

1.5A

Output Configuration

Positive

Output Voltage

1.25V

Alternate Parts Comparison (LM317SX/NOPB 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 InstrumentsLM317SX/NOPB	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
RoHS	Yes	Yes	Yes	Yes
Lifecycle Status	Active	Active	Active	Active
Max Input Voltage	37V	26V	-26V	35V
Number of Regulators	1	1	1	1
Output Configuration	Positive	Positive	Negative	Positive
Output Current	1.5A	100mA	1.8A	1.5A
Output Type	Adjustable	Fixed	Fixed	Fixed
Output Voltage	1.25V	5V	-15V	12V
Package	TO-263 (KTT)-3	TO-263 (KTT)-3	TO-263 (KTT)-3	TO-263 (KTT)-3
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

LM317D2TR4G onsemi

Directonsemi

Pin YesPkg YesElec Yes

Adjustable LDO, 1.5A, 40V In, 37V Out, 80dB PSRR, D2PAK

LM317D2TG onsemi

Similaronsemi

Pin YesPkg YesElec Yes

Adj.

TLE4284DV Infineon Technologies

SimilarInfineon

IC REG LINEAR VOLT TLE4284

More Parts in Microcontrollers

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

LMS1587ISX-3.3/NOPB Texas Instruments

3-A, 13-V, linear voltage regulator 3-DDPAK/TO-263 -40 to 125

UA7824CKTTR Texas Instruments

1.5-A, 38-V, linear voltage regulator 3-DDPAK/TO-263 0 to 125

UA7815CKTTR Texas Instruments

1.5-A, 38-V, linear voltage regulator 3-DDPAK/TO-263 0 to 125

LM2931ASX-5.0/NOPB Texas Instruments

100-mA, 26-V, high-PSRR, low-dropout voltage regulator 3-DDPAK/TO-263 -40 to 85

LM2990SX-15/NOPB Texas Instruments

1-A, negative low-dropout voltage regulator 3-DDPAK/TO-263 -40 to 125

LM317KTTRG3 Texas Instruments

Adjustable Linear Voltage Regulator, 1.5A, 37V, TO-263

LM337KTTRG3 Texas Instruments

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

LM340SX-12/NOPB Texas Instruments

12V LDO Regulator, 1.5A, 35V In, TO-263, 125°C

LP2954ISX/NOPB Texas Instruments

250-mA, 30-V, low-dropout voltage regulator 3-DDPAK/TO-263 -40 to 125

REG1117F-3.3/500 Texas Instruments

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