LT3645EUD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3645EUD#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3645 is a dual output switching regulator with integrated step-down buck and linear regulator functions.

Product Features and Performance

Integrated buck regulator and LDO in a single package

High switching frequency at 750kHz for smaller passive components

Wide input voltage range from 3.6V to 36V suitable for diverse applications

Dual output with output 1 adjustable from 0.8V to 16V at 500mA

Output 2 adjustable from 0.8V to 8V at 200mA

Supports surface mount technology with a compact 16-WFQFN package

Operating temperature range of -40°C to 125°C catering to harsh environments

Product Advantages

Space-saving due to the combined step-down and linear regulator

High efficiency with reduced external component count

Flexible output voltage range serves a wide array of usage scenarios

Thermal performance enhanced by the exposed pad in the package design

Key Technical Parameters

Topology: Step-Down (Buck) and Linear (LDO)

Number of Outputs: 2

Frequency - Switching: 750kHz

Voltage/Current - Output 1: 0.8V to 16V at 500mA

Voltage/Current - Output 2: 0.8V to 8V at 200mA

Voltage - Supply: 3.6V to 36V

Mounting Type: Surface Mount

Package / Case: 16-WFQFN Exposed Pad

Supplier Device Package: 16-QFN (3x3)

Quality and Safety Features

Extended operating temperature range for reliability in varying conditions

Quality tested by Analog Devices for performance assurance

Compatibility

Compatible with various microcontrollers and digital systems requiring dual supply voltages

Application Areas

Telecommunications

Portable electronics

Industrial control systems

Automotive electronics

Product Lifecycle

Active product with ongoing manufacturer support

No current indication of discontinuation, replacements or upgrades available

Several Key Reasons to Choose This Product

High-frequency operation allows for smaller inductor and capacitor sizes, reducing PCB space requirements

The wide input voltage range makes it ideal for applications with fluctuating power supply

Two types of regulators in one package provides convenience and saves additional component costs

High-temperature operation ensures reliability for industrial grade projects

The high integration of the product reduces complexity and potential failure points in circuit designs

Analog Devices is a reputable manufacturer known for durable and reliable components