LM2599T-ADJ Texas Instruments Integrated Circuit (Other) In Stock

Name: LM2599T-ADJ
Brand: Texas Instruments
SKU: LM2599T-ADJ
Availability: InStock

LM2599T-ADJ is a 3A adjustable step-down switching voltage regulator from Texas Instruments. Supports 1.2V to 38.48V output with PWM control and 40V max input. From $3.20, in stock, worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM2599T-ADJOther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 3
Lifecycle: OBSOLETE
Datasheet: LM2599T-ADJ Datasheet PDF
Category: Integrated Circuit
Price: From $3.2000(MOQ 60)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LM2599T-ADJ?

Adjustable output voltage from 1.2V to 38.48V via external resistor divider
3A output current capability with up to 40V input voltage range
Pulse Width Modulation (PWM) voltage-mode control for stable regulation
TO-220 7-pin package for easy PCB integration and thermal management
Available from 1996 with proven reliability in power supply designs

What is LM2599T-ADJ used for?

The LM2599T-ADJ is widely used in DC-DC step-down power conversion for industrial equipment, telecom systems, and embedded computing boards. Its adjustable output voltage makes it ideal for powering microcontrollers, FPGAs, and analog circuitry from higher-voltage bus rails. It is also suitable for battery-powered devices requiring efficient voltage regulation with minimal external components.

What are the specifications of LM2599T-ADJ?

Pbfree Code	Yes
Date Of Intro	1996-04-01
YTEOL	0
Additional Feature	ALSO AVAILABLE IN ADJUSTABLE MODE FROM 1.2 TO 38.48 VOLT
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	40V
Input Voltage-Min	4.5V
Input Voltage-Nom	12V
JESD-30 Code	R-PZFM-T7
JESD-609 Code	e0
Number of Functions	1
Number of Outputs	1
Output Current-Max	3A
Output Voltage-Max	37V
Output Voltage-Min	1.2V
Output Voltage-Nom	3V
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	FLANGE MOUNT
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	NO
Switcher Configuration	BUCK
Switching Frequency-Max	173kHz
Technology	BIPOLAR
Temperature Grade	AUTOMOTIVE
Terminal Finish	Tin/Lead (Sn/Pb)
Terminal Form	THROUGH-HOLE
Terminal Pitch	1.27mm
Terminal Position	ZIG-ZAG
Time@Peak Reflow Temperature-Max (s)	40
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60

Where can I find the LM2599T-ADJ datasheet?

LM2599T-ADJ Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM2599T-ADJ?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the output voltage range of the LM2599T-ADJ?

The LM2599T-ADJ supports an adjustable output voltage range from 1.2V to 38.48V, set by an external resistor divider network. The input voltage can range from 4.5V to 40V, making it versatile for a wide range of power supply designs.

What is the maximum output current of the LM2599T-ADJ?

The LM2599T-ADJ is rated for up to 3A continuous output current. It uses pulse width modulation (PWM) in voltage-mode control to maintain stable output under varying load conditions.

What package does the LM2599T-ADJ come in?

The LM2599T-ADJ is available in a TO-220 7-pin package, which provides good thermal performance and is easy to mount on PCBs. This package is well-suited for applications requiring moderate power dissipation.

What are typical applications for the LM2599T-ADJ?

Typical applications include step-down voltage regulators for industrial power supplies, embedded systems, telecom equipment, and battery-powered devices. Its wide input and adjustable output voltage range make it suitable for powering microcontrollers, FPGAs, and other sensitive electronics.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $3.2000

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
60+	$5.0000	$300.00
500+	$3.6000	$1800.00
1000+	$3.4000	$3400.00
10000+	$3.2000	$32000.00

pcs

Unit price: $5.0000 · Total: $300.00

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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LM2599T-ADJ Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of LM2599T-ADJ?

What is LM2599T-ADJ used for?

What are the specifications of LM2599T-ADJ?

Compliance & Regulatory

Where can I find the LM2599T-ADJ datasheet?

What are equivalent replacements for LM2599T-ADJ?

Frequently Asked Questions

What is the output voltage range of the LM2599T-ADJ?

What is the maximum output current of the LM2599T-ADJ?

What package does the LM2599T-ADJ come in?

What are typical applications for the LM2599T-ADJ?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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