Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

LM317AT

Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220

Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.

Request a quote for LM317AT

The LM317AT is a Voltage Regulators - Linear, Low Drop Out (LDO) Regulators from Texas Instruments, supplied in a TO-220 package. It is listed in our Linear & LDO Regulators catalog (Power Management).

Key specifications of the LM317AT: output current 1.5A, output voltage 1.25V~37V, standby current 10mA, operating temperature -40°C~+125°C, number of outputs 1 and output configuration Positive.

PartnerSemi sources the LM317AT for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberLM317AT
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
CategoryLinear & LDO Regulators
Package / caseTO-220
Number of Outputs1
Operating Temperature-40°C~+125°C
Output ConfigurationPositive
Output Current1.5A
Output TypeAdjustable
Output Voltage1.25V~37V
Voltage - Supply40V
standby current10mA

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments Linear & LDO Regulators

Part numberTypePackageKey specs
LM317A linear voltage regulator
LM317AEMP/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 1A1.2V~37V
LM317AEMPX/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 1.5A1.25V~37V
LM317AMDTX/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252-3 1.5A1.25V~37V
LM317AT/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 1.5A1.25V~37V
LM317DCYR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 1.5A1.25V~37V
LM317EMP/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 1.5A1.25V~37V
LM317EMPX/NOPB Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 1.5A1.25V~37V

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
LM317ATG HANSCHIP semiconductor Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220-3 1.5A1.2V~37V
LM317ASRG HANSCHIP semiconductor Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1.5A1.2V~37V
LM317AG-AA3-R Unisonic Technologies (UTC) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 1.5A1.2V~37V
LM317AG-TN3-R Unisonic Technologies (UTC) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252-2(DPAK) 1.5A1.2V~37V
LM317AL-TQ2-R Unisonic Technologies (UTC) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263 1.5A1.2V~37V
LM317AMDT/TR HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252-2 1.5A1.2V~37V

Frequently asked questions

What is the LM317AT?

The LM317AT is a Voltage Regulators - Linear, Low Drop Out (LDO) Regulators from Texas Instruments, supplied in a TO-220 package. It is listed in our Linear & LDO Regulators catalog (Power Management).

What are the specifications of the LM317AT?

Number of Outputs: 1; Operating Temperature: -40°C~+125°C; Output Configuration: Positive; Output Current: 1.5A; Output Type: Adjustable; Output Voltage: 1.25V~37V; Voltage - Supply: 40V; standby current: 10mA.

What package is the LM317AT in?

The LM317AT is listed in a TO-220 package.

Which part numbers are similar to the LM317AT?

Similar part numbers in our catalog include LM317ATG (HANSCHIP semiconductor), LM317ASRG (HANSCHIP semiconductor), LM317AG-AA3-R (Unisonic Technologies (UTC)), LM317AG-TN3-R (Unisonic Technologies (UTC)), LM317AL-TQ2-R (Unisonic Technologies (UTC)) and LM317AMDT/TR (HGSEMI). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM317AT?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM317AT&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.