LM1770UMF/NOPB - Texas Instruments

Manufacturer Part Number

LM1770UMF/NOPB

Manufacturer

texas-instruments

Introduction

The LM1770UMF/NOPB is a high-performance, high-efficiency, step-down DC-DC switching regulator designed to provide a regulated output voltage from a higher unregulated input voltage. It features a wide input voltage range, fast transient response, and low external component count, making it an ideal choice for a variety of applications.

Product Features and Performance

Wide input voltage range: 2.8V to 5.5V

High-efficiency operation up to 95%

Switching frequency range: 100kHz to 1MHz

Single phase buck topology

Integrated synchronous rectifier

External compensation for loop stability

Thermal shutdown and current limit protection

Product Advantages

Compact and space-saving design with SOT-23-5 package

High efficiency reduces power losses and heat generation

Wide frequency range enables optimization for size, cost, and performance

Synchronous rectification improves efficiency

Comprehensive protection features ensure reliable operation

Key Reasons to Choose This Product

Exceptional power conversion efficiency for extended battery life

Flexible frequency selection for customized performance

Robust protection features for safe and reliable operation

Easy to use with minimal external components required

Ideal for a wide range of portable and industrial applications

Quality and Safety Features

Thermal shutdown protection

Current limit protection

Overcurrent and short-circuit protection

Compatibility

The LM1770UMF/NOPB is a drop-in replacement for the LM1770 base product number, offering the same functionality and pinout.

Application Areas

Portable electronics

Industrial equipment

Telecommunications infrastructure

Automotive electronics

General purpose DC-DC conversion

Product Lifecycle

The LM1770UMF/NOPB is an active product, and there are no current plans for discontinuation. Our website's sales team offers several alternative and equivalent models, such as the LM2852 and LM2673, which provide similar functionality and performance characteristics. For the most up-to-date information, customers are advised to contact our website's sales team.