TI LM2576T-5

Mfr. Part

LM2576T-5

Manufacturer

Luminary Micro Texas Instruments — Y-IC is a quality distributor of this brand and we will provide you with the best products and services

Detailed Description

3 A step-down buck switching voltage regulator with a fixed 5 V output

Simple Switcher family legacy National Semiconductor design now TI

52 kHz internal oscillator for easy magnetic selection

Through-hole TO-220-5 package case code reference 607

Main category Integrated Circuits ICs small classification Specialized ICs

Current stock 1434 units available

Key Features

5 V fixed output up to 3 A continuous

Wide input range typically 7 V to 40 V for 5 V version

52 kHz fixed-frequency operation

Few external parts needed inductor diode input and output capacitors

Integrated thermal shutdown and current limit

ON OFF control pin for remote enable disable

Stable and proven Simple Switcher design

Low standby consumption when shutdown

Key Advantages

Fast design-in with fixed 5 V output and minimal BOM

Robust and widely adopted with extensive documentation and support

Handles common automotive and industrial input rails

Built-in protections improve reliability and uptime

TO-220 package simplifies prototyping and heat sinking

Mature supply chain and strong availability

Packaging

Type TO-220-5 through-hole with mounting tab and heatsink hole

Material molded epoxy body copper leadframe matte tin plated leads

Size body width about 10 mm body thickness about 4.6 mm overall height about 15 to 18 mm standard TO-220 mounting hole

Pin configuration pin 1 VIN pin 2 OUTPUT pin 3 GND pin 4 FEEDBACK pin 5 ON OFF

Thermal characteristics typical junction-to-case RθJC about 3 to 5 C W typical junction-to-ambient RθJA about 50 to 65 C W without heatsink operating junction range about -40 C to +125 C

Electrical properties fixed 5 V output 3 A max internal switch 52 kHz reference voltage about 1.23 V typical output regulation within about ±4 percent with proper layout efficiency commonly 70 to 85 percent depending on VIN load and external components

Lifecycle

Status active and broadly available through TI and authorized distributors

Not nearing discontinuation based on current market status

Equivalent or alternative models

- LM2576S-5 TI same function TO-263 surface-mount

- LM2576HV-5 TI high-voltage variant up to 60 V input in TO-220 and TO-263

- LM2596-5 TI 3 A buck at 150 kHz smaller magnetics

- LM2676-5 TI 3 A buck at 260 kHz improved efficiency and size

- LM2576T-ADJ TI adjustable version for non-5 V rails

- Cross-compatible options from other major brands exist for LM2576T-5 and LM2596-5

For pin-to-pin guidance and best-fit substitutes contact our sales team via the Y-IC website for detailed cross references and availability

Key Application Areas

Automotive 12 V to 5 V conversion infotainment and accessories

Industrial control PLC HMI sensors actuators

Embedded systems powering MCUs DSPs FPGAs and logic

Telecom and networking 24 V to 5 V conversion

Appliances and consumer electronics 5 V rails

Battery powered equipment with regulated 5 V output

General point-of-load DC-DC buck conversion

Datasheet

Y-IC provides the most authoritative datasheet for LM2576T-5 on our product page We recommend downloading it now for complete electrical specifications design formulas and application guidance

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