LM3670MF-1.875 - Texas Instruments

Manufacturer Part Number

LM3670MF-1.875

Manufacturer

Texas Instruments

Introduction

The LM3670MF-1.875 is a step-down DC-DC switching regulator designed for powering portable devices.

Product Features and Performance

Integrated synchronous rectifier for high efficiency

350mA output current capability

Stable with ceramic capacitors

1MHz fixed frequency operation

Small package size suitable for space-constrained applications

Product Advantages

High efficiency leads to longer battery life

Fast switching frequency allows for smaller external components

Low quiescent current

High performance in thermal management due to operating temperature range

Key Technical Parameters

Step-Down function

Positive output configuration

Buck topology

Fixed output type

Single output

Input voltage range of 2.5V to 5.5V

Fixed output voltage of 1.875V

Output current up to 350mA

Switching frequency of 1MHz

Operating temperature from -40°C to 85°C

Quality and Safety Features

Over temperature protection

Overcurrent protection

Undervoltage lockout

Compatibility

Compatible with other devices requiring a fixed 1.875V supply at up to 350mA

SOT-23-5 package compatible with standard SCM process

Application Areas

Portable electronic devices

Battery-powered equipment

Mobile phones

Personal digital assistants (PDAs)

Product Lifecycle

Obsolete status

Alternatives or replacement parts may be available, consult Texas Instruments for options

Several Key Reasons to Choose This Product

Reliable performance from a reputable manufacturer

High efficiency for power-sensitive applications

Compact size ideal for portable applications

High-switching frequency allows use of small external components for space-saving designs

Broad operating temperature suitable for various environments

Comprehensive protection features ensure device safety and longevity