HLF LM2576-3.3 / 5.0 / 12 / ADJ – DC-DC Switching Regulator (TO263) Step-Down (Buck) Voltage Regulator | 5 V – 40 V Input | 3 A Output | –40 °C to +125 °C | Surface-Mount Package

The HLF LM2576 (TO263) series offers the same high-performance switching regulation as the TO220 version in a compact surface-mount package ideal for space-constrained PCB designs. With output options of 3.3 V, 5.0 V, 12 V, and an adjustable version, it delivers efficient and stable DC power conversion across a wide range of input voltages.

Key Features:

• Function: Step-Down (Buck) DC-DC Converter

• Input Voltage Range: 5 V – 40 V

• Output Voltage Options: 3.3 V / 5.0 V / 12 V / Adjustable

• Output Current: Up to 3 A

• Efficiency: Up to 88 % (typ.)

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

• Switching Frequency: 52 kHz (fixed)

• Integrated Thermal and Overload Protection

• Compact TO263 Design for High-Density PCBs

Package: TO263 (Surface-Mount)

Applications:

• Compact Power Modules

• Automotive and Industrial Systems

• Embedded Power Regulation

• Consumer Electronics