LM2576S-12/NOPB Texas Instruments Integrated Circuit (TO-XXX (Inc. DPAK)) In Stock

Name: LM2576S-12/NOPB
Brand: Texas Instruments
SKU: LM2576S-12/NOPB
Availability: InStock

LM2576S-12/NOPB is a 40V, 3A step-down switching regulator with fixed 12V output, pulse width modulation control, and only 5 external components required. From $1.89, in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM2576S-12/NOPBTO-XXX (Inc. DPAK)

Quick Facts

Manufacturer: Texas Instruments
Package: TO-XXX (Inc. DPAK)
Pin Count: 4
Lifecycle: ACTIVE
Datasheet: LM2576S-12/NOPB Datasheet PDF
Category: Integrated Circuit
Price: From $1.8978(MOQ 45)
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 LM2576S-12/NOPB?

Fixed 12V output with ±4% accuracy across load and line variations
Wide input voltage range from 4V to 40V supports diverse power supply designs
3A output current capability with internal current limiting for robust protection
Requires only 5 external components, minimizing PCB space and BOM cost
Built-in thermal shutdown and current limit protection for reliable operation

What is LM2576S-12/NOPB used for?

The LM2576S-12/NOPB is well-suited for industrial power supplies, automotive electronics, and embedded systems requiring a regulated 12V rail. Its TO-263 (D2PAK) surface-mount package and high efficiency make it ideal for battery-powered equipment, LED drivers, and distributed power architectures where board space and component count are critical constraints.

What are the specifications of LM2576S-12/NOPB?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	40V
Input Voltage-Min	4V
Input Voltage-Nom	25V
JESD-30 Code	R-PSSO-G5
JESD-609 Code	e3
Number of Functions	1
Number of Outputs	1
Output Current-Max	3A
Output Voltage-Max	37V
Output Voltage-Min	3.3V
Output Voltage-Nom	12V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SMSIP5H,.6,67TB
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	245
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	63kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	1.7mm
Terminal Position	SINGLE
Time@Peak Reflow Temperature-Max (s)	30
Package	TO-XXX (Inc. DPAK)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 3
ECCN	EAR99
HTS Code	8542.39.00.90

Where can I find the LM2576S-12/NOPB datasheet?

LM2576S-12/NOPB Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM2576S-12/NOPB?

Compatible alternatives and drop-in replacements for LM2576S-12/NOPB:

LM2576S-12National Semiconductor Corporation

Switching Regulator, Voltage-mode, 3A, 63kHz Switching Freq-Max, PSSO5

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the LM2576S-12/NOPB?

The LM2576S-12/NOPB accepts an input voltage from 4V to 40V (nominal 25V), making it suitable for a wide range of DC power sources including 12V, 24V, and unregulated supplies up to 40V.

What output voltage and current does the LM2576S-12/NOPB provide?

It provides a fixed 12V regulated output with up to 3A continuous output current. The output voltage accuracy is ±4% over the full line, load, and temperature range, ensuring stable performance in demanding applications.

How many external components does the LM2576S-12/NOPB require?

The LM2576S-12/NOPB requires only 5 external components — an inductor, an output capacitor, an input capacitor, a catch diode, and a resistor — significantly simplifying PCB design compared to traditional discrete switcher designs.

What package does the LM2576S-12/NOPB use and is it RoHS compliant?

The LM2576S-12/NOPB uses a 5-pin TO-263 (D2PAK / R-PSSO-G5) surface-mount package, ideal for high-power SMD designs. It is Pb-free and RoHS compliant (JESD-609 Code e3), meeting modern environmental requirements.

What are typical applications for the LM2576S-12/NOPB?

Typical applications include industrial 12V power rails, automotive accessory power, microcontroller and processor power supplies, LED driver circuits, battery chargers, and any system needing an efficient, compact step-down regulator with minimal external components.

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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 $1.8978

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
45+	$2.4200	$108.90
90+	$2.2900	$206.10
98+	$2.0520	$201.10
127+	$1.9749	$250.81
159+	$1.8978	$301.75

pcs

Unit price: $2.4200 · Total: $108.90

In Stock · 24h Response · Worldwide Shipping

Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

LM2576S-12/NOPB Texas Instruments Integrated Circuit (TO-XXX (Inc. DPAK)) In Stock

What are the key features of LM2576S-12/NOPB?

What is LM2576S-12/NOPB used for?

What are the specifications of LM2576S-12/NOPB?

Compliance & Regulatory

Where can I find the LM2576S-12/NOPB datasheet?

What are equivalent replacements for LM2576S-12/NOPB?

Frequently Asked Questions

What is the input voltage range of the LM2576S-12/NOPB?

What output voltage and current does the LM2576S-12/NOPB provide?

How many external components does the LM2576S-12/NOPB require?

What package does the LM2576S-12/NOPB use and is it RoHS compliant?

What are typical applications for the LM2576S-12/NOPB?

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

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