LTC3545IUD#PBF - Linear Technology

Manufacturer Part Number

LTC3545IUD#PBF

Manufacturer

analog-devices

Introduction

The LTC3545 is a highly integrated, 2.25MHz, 800mA, 3-channel step-down switching regulator with a wide 2.25V to 5.5V input voltage range. The device features an adjustable output voltage and integrated high-side and low-side power MOSFETs, enabling a compact, efficient power supply solution with minimal external components.

Product Features and Performance

Integrated high-side and low-side power MOSFETs for efficient buck conversion

25MHz switching frequency for small external components

Adjustable output voltage from 0.6V to 5.5V

Rated for up to 800mA of output current per channel

Operates from a wide 2.25V to 5.5V input voltage range

Internal compensation for easy design

Soft-start function for inrush current control

Thermal shutdown and overcurrent protection

Product Advantages

High efficiency, up to 94% typical

Compact solution size with minimal external components

Wide input voltage range for versatile applications

Adjustable output voltage for flexible power supply needs

Robust protection features for reliable operation

Key Reasons to Choose This Product

Highly integrated solution simplifies power supply design

High-efficiency performance maximizes battery life

Flexible output voltage and wide input range accommodate diverse applications

Reliable operation with built-in protection features

Quality and Safety Features

Thermal shutdown protection

Overcurrent protection

RoHS-compliant and lead-free package

Compatibility

The LTC3545 is a step-down switching regulator that can be used in a wide range of applications, including portable electronics, industrial equipment, and automotive systems.

Application Areas

Portable electronics (smartphones, tablets, wearables)

Industrial control and automation

Automotive electronics

General-purpose power conversion

Product Lifecycle

The LTC3545 is an active product, and there are no plans for discontinuation. There are several equivalent or alternative models available, such as the LTC3535, LTC3537, and LTC3547, which offer similar features and performance. If you have any questions or need further assistance, please contact our sales team through our website.