HLF LM2575-3.3 / 5.0 / 12 / ADJ – DC-DC Switching Regulator (TO263) Step-Down (Buck) Switching Voltage Regulator | 4 V – 36 V Input | 1 A Output | –40 °C to +125 °C | Surface-Mount Package

HLF

The HLF LM2575 (TO263) series are surface-mount DC-DC step-down regulators ideal for compact, high-efficiency power supplies. With fixed output versions (3.3 V, 5 V, 12 V) and an adjustable type, these regulators feature a low component count and integrated thermal and current protection.

Key Features:

  • Function: Step-Down (Buck) Switching Regulator

  • Input Voltage Range: 4 V – 36 V

  • Output Voltage Options: 3.3 V / 5 V / 12 V / ADJ

  • Output Current: 1 A (max)

  • Efficiency: Up to 85 % (typ.)

  • Operating Temperature: –40 °C to +125 °C

  • Switching Frequency: 52 kHz (fixed)

  • Thermal & Over-Current Protection

  • Compact SMD Design for Efficient Heat Dissipation

Package: TO263 (Surface-Mount)

Applications:

  • Power Modules and DC Converters

  • Automotive and Industrial Electronics

  • Consumer Devices and Portable Equipment

  • Low-Voltage Step-Down Systems