LT3640IFE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3640IFE#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3640 is a step-down DC/DC switching regulator designed to deliver constant voltage regulation for a variety of applications.

Product Features and Performance

Step-Down (Buck) topology

Adjustable output voltage

Dual output channels

Wide input voltage range from 2.5V to 35V

Adjustable switching frequency from 500kHz to 2MHz

Able to provide up to 1.1A and 1.3A of output current

High efficiency and low quiescent current

Stable with low ESR ceramic capacitors

Thermal shutdown and overcurrent protection

Product Advantages

Flexibility with adjustable output voltage and switching frequency

Suitable for a wide range of input voltages

Dual outputs for powering multiple devices

Good thermal performance with an exposed pad TSSOP package

Robust protection features for enhanced reliability

Key Technical Parameters

Voltage - Input (Min): 2.5V

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 0.6V, 1.265V

Voltage - Output (Max): 33.97V

Current - Output: 1.1A, 1.3A

Frequency - Switching: 500kHz ~ 2MHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Overcurrent protection

Thermal shutdown circuitry

High reliability and longevity

Compatibility

Compatible with a variety of capacitors, including low ESR ceramics

Suitable for surface mount techniques with a TSSOP-EP package

Application Areas

Telecommunications

Automotive systems

Distributed power systems

Portable electronics

Battery-powered devices

Product Lifecycle

Active status, not nearing discontinuation

Potential availability of future upgrades or replacements

Several Key Reasons to Choose This Product

Robust input voltage range for diverse power supply conditions

High efficiency for energy-sensitive applications

Dual output capability to simplify design and reduce component count

Adjustable frequency to optimize performance

Durable design with comprehensive protection features for safety and reliability