LTC3545EUD-1#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3545EUD-1#PBF

Manufacturer

Analog Devices

Introduction

The LTC3545EUD-1#PBF is a high-efficiency, multi-output, synchronous step-down DC-DC regulator.

Product Features and Performance

Triple output adjustable step-down regulator

Integrated synchronous rectification for improved efficiency

High frequency operation at 2.25MHz minimizing the size of external components

Low minimum input voltage of 2.25V suitable for lithium-ion battery-powered applications

Maximum input voltage of 5.5V accommodating a variety of input sources

Adjustable output voltage ranging from 0.6V to 5.5V for diverse application requirements

Maximum output current capability of 800mA for each channel

Output overvoltage protection

Soft-start feature to minimize inrush current at startup

Thermal shutdown and current limit for device protection

Product Advantages

High integration with three outputs reduces the number of external components and board space required

High switching frequency allows for small, low-cost inductors and capacitors

High efficiency reduces power loss and thermal footprint

Stable operation with ceramic capacitors ensures reliability

Key Technical Parameters

Input Voltage Range: 2.25V to 5.5V

Output Voltage Range: 0.6V to 5.5V

Output Current: 800mA per channel

Switching Frequency: 2.25MHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Thermal shutdown protection

Overvoltage protection

Current limit protection

Compatibility

Compatible with various input sources from single-cell batteries to 5V inputs

Suitable for use with ceramic, tantalum, and aluminum electrolytic capacitors

Application Areas

Portable electronics

Battery-powered devices

Embedded systems

Point-of-load power supplies

Product Lifecycle

Active product status indicating ongoing manufacturing and availability

Not reported to be nearing discontinuation

Replacements or upgrades may be available as newer generation of power management ICs from Analog Devices

Several Key Reasons to Choose This Product

High-efficiency multi-channel output catering to systems requiring multiple regulated voltages

Compact and lightweight design ideal for space-constrained applications

Flexible power solution compatible with a diverse range of input sources and output requirements

Rapid transient response catering to sensitive electronic applications

Low operating temperature enhances device longevity and reliability in harsh environments

Reliable brand and technical support from Analog Devices