LM3676SD-1.8 - Texas Instruments

Manufacturer Part Number

LM3676SD-1.8

Manufacturer

Texas Instruments

Introduction

The LM3676SD-1.8 is a highly integrated, high-efficiency power management IC from Texas Instruments, designed for stepping down voltage in portable electronics.

Product Features and Performance

Step-down (Buck) configuration

Fixed output voltage of 1.8V

Output current capability of 600mA

Supports input voltage range from 2.9V to 5.5V

High-frequency switching at 2MHz

Built-in synchronous rectifier for improved efficiency

Supports a wide operating temperature range from -30°C to 85°C

Surface mount device designed for compact PCB layouts

Product Advantages

Optimized for battery-powered applications

High-efficiency power conversion

Minimized external component count due to high integration

Low noise performance due to high switching frequency

Thermal overload protection enhances safety

Key Technical Parameters

Input Voltage (Min): 2.9V

Input Voltage (Max): 5.5V

Output Voltage (Fixed): 1.8V

Current - Output: 600mA

Switching Frequency: 2MHz

Number of Outputs: 1

Quality and Safety Features

Over-temperature protection

Over-current protection

Built-in thermal shutdown

Compatibility

Designed for use with multi-cell or single cell lithium-ion and lithium-polymer batteries, as well as regulated 5V supplies

Application Areas

Mobile phones

Portable media players

Handheld devices

GPS devices

Product Lifecycle

Obsolete status indicates that the product may no longer be manufactured or supported by Texas Instruments

Alternatives or replacement products should be considered for new designs

Reasons to Choose This Product

High component integration saves space and cost

600mA output suitable for a range of portable electronics

Switching frequency allows for small external components and reduced noise

Synchronous rectification leads to high efficiency

Industry-proven reliability and safety features from Texas Instruments

Despite obsolescence, may be suitable for maintaining or repairing existing hardware