LM2677S-12 - Texas Instruments

Manufacturer Part Number

LM2677S-12

Manufacturer

Texas Instruments

Introduction

The LM2677S-12 is a high-efficiency, step-down DC-DC voltage regulator.

Product Features and Performance

High-efficiency step-down voltage regulation

Output voltage of 12V

Capable of delivering 5A of load current

Operates within an input voltage range of 8V to 40V

260kHz switching frequency for optimized balance between efficiency and component size

Thermal shutdown and current limit for protection

Product Advantages

Efficient power conversion for battery-operated devices

Prevents overheating with thermal protection

A wide input voltage range suitable for a variety of supply sources

Fixed 12V output simplifies design considerations

Robust package for surface mount technology

Key Technical Parameters

Input Voltage (Min) 8V

Input Voltage (Max) 40V

Output Voltage (Fixed) 12V

Current - Output 5A

Switching Frequency 260kHz

Operating Temperature Range -40°C to 125°C

Topology Buck

Output Configuration Positive

Mounting Type Surface Mount

Quality and Safety Features

Over-temperature protection

Over-current protection

Built-in thermal shutdown

Compatibility

Compatible with a variety of capacitive and inductive load types

Mounts on TO-263-8, D2PAK (7 Leads + Tab), TO-263CA surface packages

Application Areas

Power supplies for industrial systems

Networking and telecommunications

Automotive applications

Consumer electronics

Product Lifecycle

Obsolete status

Replacements or upgrades may be available, consult manufacturer for newer models

Several Key Reasons to Choose This Product

Simplicity of design with fixed output voltage

Highly efficient for extended battery life in portable devices

Wide input voltage range accommodates various power sources

Built-in protections increase device reliability

Proven track record with extensive application support from Texas Instruments