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LM2576T-ADJ/NOPB TO-220-5 (KC) packageRepresentative package image. See datasheet for exact dimensions.

LM2576T-ADJ/NOPB

by Texas Instruments

SIMPLE SWITCHER 3 A step-down (buck) regulator, adjustable 1.23 V to 37 V output, 52 kHz, TO-220-5

ManufacturerTexas Instruments
CategoryPower Management ICs
SeriesLM2576
PackageTO-220-5 (KC)
LifecycleActive
DatasheetLM2576T-ADJ/NOPB PDF
Availability
LM2576T-ADJ/NOPB Datasheet PDFAll specifications
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LM2576T-ADJ/NOPB Overview

The LM2576T-ADJ/NOPB is the adjustable-output version of the LM2576 SIMPLE SWITCHER 3 A step-down regulator in a TO-220-5 package. A 52 kHz fixed-frequency oscillator, cycle-by-cycle current limiting and thermal shutdown are built in.

Key Features

  • Specified 3 A output current
  • 52 kHz fixed-frequency internal oscillator
  • TTL shutdown capability, low-power standby mode
  • Cycle-by-cycle current limit and thermal shutdown
  • Requires only four external components

Applications

  • Motor drives and industrial control
  • Replacement for three-terminal linear regulators where heat is a problem
  • Appliances

LM2576T-ADJ/NOPB Specifications

Part NumberLM2576T-ADJ/NOPB
ManufacturerTexas Instruments
CategoryPower Management ICs
SeriesLM2576
Package / CaseTO-220-5 (KC)
Output voltage1.23 V to 37 V adjustable (±4 % max over line and load)
Output current3 A
Max input voltage40 V
Switching frequency52 kHz (fixed)
Standby current50 µA typ
Operating temperature–40 °C to 125 °C
Lifecycle StatusActive

Specifications are taken from the manufacturer's public datasheet and are for reference. Confirm against the latest datasheet before design-in.

LM2576T-ADJ/NOPB Pinout & Package

LM2576T-ADJ/NOPB is supplied in a TO-220-5 (KC) package. The full pin configuration, pin descriptions and mechanical drawing are published in the Texas Instruments datasheet (open LM2576T-ADJ/NOPB datasheet PDF). Always check the footprint against the latest datasheet revision before layout.

LM2576T-ADJ/NOPB Alternatives & Equivalents

Part NumberManufacturerCompatibilityRFQ
LM2576T-5.0/NOPBTexas Instrumentssame LM2576 family, fixed 5 V
LM2576T-12/NOPBTexas Instrumentssame LM2576 family

Alternatives are for reference. Verify pinout, electrical characteristics and firmware against each datasheet before substituting.

LM2576T-ADJ/NOPB Guides & Comparisons

More engineering notes on the PartVane blog.

LM2576T-ADJ/NOPB FAQ

Who manufactures LM2576T-ADJ/NOPB?

LM2576T-ADJ/NOPB is manufactured by Texas Instruments and belongs to the LM2576 series. It is listed under Power Management ICs.

What is LM2576T-ADJ/NOPB?

LM2576T-ADJ/NOPB: SIMPLE SWITCHER 3 A step-down (buck) regulator, adjustable 1.23 V to 37 V output, 52 kHz, TO-220-5.

What package does LM2576T-ADJ/NOPB come in?

LM2576T-ADJ/NOPB comes in a TO-220-5 (KC) package.

Where can I download the LM2576T-ADJ/NOPB datasheet and pinout?

The Texas Instruments datasheet for LM2576T-ADJ/NOPB is linked in the Datasheet section of this page (https://www.ti.com/lit/ds/symlink/lm2576.pdf). The pin configuration and package drawing are in that datasheet.

Is LM2576T-ADJ/NOPB still in production?

The manufacturer lists LM2576T-ADJ/NOPB as Active.

What is the equivalent or alternative to LM2576T-ADJ/NOPB?

Documented alternatives to LM2576T-ADJ/NOPB: LM2576T-5.0/NOPB (Texas Instruments, same LM2576 family, fixed 5 V); LM2576T-12/NOPB (Texas Instruments, same LM2576 family). Always verify pinout and electrical characteristics against each datasheet before substituting.

Do you have LM2576T-ADJ/NOPB in stock?

Yes. PartVane holds stock of LM2576T-ADJ/NOPB. Send the quantity you need and we will confirm the available quantity, date code and delivery in the quotation.

How do I get a price and availability for LM2576T-ADJ/NOPB?

Message the owner on WhatsApp (+86 139 3944 9974), use the quote form on this page or email sales@partvane.com with the quantity and target delivery date. On WhatsApp we quote within 2 hours during business hours (Mon–Sat, 09:00–18:00 China time (UTC+8)); every RFQ is answered within 24 hours. The quotation includes unit price, availability, lead time and photos of the actual parts with the date code / lot label.

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