LTC3539EDCB#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3539EDCB#TRPBF

Manufacturer

Analog Devices

Introduction

High-efficiency step-up DC/DC converter

Product Features and Performance

Adjustable output voltage from 1.5V to 5.25V

2A output switch current

Synchronous rectification for improved efficiency

1MHz switching frequency for compact external components

Operates from an input voltage as low as 0.5V

Product Advantages

Capable of starting up from a single-cell battery

High efficiency across a wide range of loads

Stable with ceramic output capacitors

Internal soft-start limits inrush current

Key Technical Parameters

Voltage - Input (Min): 0.5V

Voltage - Input (Max): 5V

Voltage - Output (Min/Fixed): 1.5V

Voltage - Output (Max): 5.25V

Current - Output: 2A (Switch)

Frequency - Switching: 1MHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Over-temperature protection

Current limit for switch protection

Robust thermal performance with exposed pad packaging

Compatibility

Compatible with ceramic, tantalum, and electrolytic capacitors

Suitable for battery-powered applications

Application Areas

Portable electronic devices

Handheld medical equipment

Wireless and sensor networks

GPS systems

Product Lifecycle

Active product status

Not nearing discontinuation

Replacement or upgrade options available

Several Key Reasons to Choose This Product

Wide input voltage range facilitates the use of multiple battery chemistries

Ideal for space-constrained applications due to high-frequency operation

Excellent thermal performance for reliability

Low shutdown current conserves battery life in portable applications

Enables design of energy-efficient products with extended battery life