LTC3531EDD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3531EDD#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3531 is a versatile buck-boost switching regulator with adjustable output voltage designed for powering portable devices.

Product Features and Performance

Integrated buck-boost functionality

Adjustable output voltage from 2V to 5V

Ability to operate with inputs ranging from 1.8V to 5.5V

Supports up to 200mA output current

Synchronous rectification for improved efficiency

Suitable for operation across a wide temperature range, -40°C to 85°C

Small 8-WFDFN exposed pad package for compact circuit design

Product Advantages

Versatile input voltage compatibility allows use with multiple battery chemistries

High efficiency over a wide range of load conditions

Seamless transition between buck and boost modes

Low noise operation ideal for sensitive RF and analog circuits

Key Technical Parameters

Voltage Input (Min): 1.8V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2V

Voltage Output (Max): 5V

Current Output: 200mA

Operating Temperature: -40°C to 85°C

Synchronous Rectifier: Yes

Quality and Safety Features

Over-temperature protection

Built-in short-circuit protection

Stable operation over the full temperature range

Compatibility

Compatible with a variety of MCUs, sensors, and portable devices requiring adjustable power supply

Application Areas

Battery-powered devices

Portable medical equipment

Wearable technology

IoT devices

Handheld instruments

Product Lifecycle

Active status, not currently nearing discontinuation

Availability of replacements or upgrades is maintained

Several Key Reasons to Choose This Product

High integration reduces external component count, saving on BOM cost and board space

The ability to deliver a fixed output voltage from a variable input source ensures consistent performance of the end product

Analog Devices' reputation for reliability and performance

The product's synchronous rectification leads to higher efficiency, which is crucial for battery-powered applications

Broad application suitability, from consumer electronics to industrial applications

Extended operating temperature range makes it suitable for harsh environments

Active lifecycle status ensures ongoing support and availability