HLF LM2596-3.3 / 5.0 / 12 / ADJ – DC-DC Switching Regulator (TO263) Step-Down (Buck) Voltage Regulator | 4 V – 40 V Input | 3 A Output | –40 °C to +125 °C | Surface-Mount Package

The HLF LM2596 (TO263) delivers the same performance and features as the TO220 version in a compact surface-mount package suitable for high-density PCB layouts. Designed for efficient, reliable DC-DC conversion, it supports fixed (3.3 V, 5.0 V, 12 V) and adjustable outputs with up to 3 A load capability and integrated protection features.

Key Features:

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

• Input Voltage Range: 4 V – 40 V

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

• Output Current: Up to 3 A

• Efficiency: Up to 90 % (typ.)

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

• Switching Frequency: 150 kHz (fixed)

• Thermal and Short-Circuit Protection

• Compact TO263 for Surface-Mount Applications

Package: TO263 (Surface-Mount)

Applications:

• Compact DC-DC Power Modules

• Automotive and Industrial Systems

• Embedded Controllers and Consumer Devices

• High-Efficiency Step-Down Converters