LT3688IUF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3688IUF#TRPBF

Manufacturer

Analog Devices

Introduction

High-efficiency step-down DC/DC regulator with adjustable output

Product Features and Performance

Regulates output from 0.8V to 36V

Input voltage range from 3.8V to 36V

Dual output capability

Maximum output current of 800mA

Switching frequency range from 500kHz to 2.1MHz

Thermal shutdown and short-circuit protection

Adjustable soft-start function

Up to 125°C operating temperature range

Surface mount technology

Product Advantages

High integration for minimal external components

Wide input voltage range suitable for various applications

Flexible design for dual outputs

High-temperature resilience

High-frequency switching for small external inductors and capacitors

Key Technical Parameters

Topology: Buck

Voltage - Output (Min/Fixed): 0.8V

Voltage - Output (Max): 36V

Voltage - Input (Min): 3.8V

Voltage - Input (Max): 36V

Current - Output: 800mA

Frequency - Switching: 500kHz ~ 2.1MHz

Quality and Safety Features

Over-temperature protection

Short-circuit protection

Stable performance over specified temperature range

Compatibility

Surface mount compatible with 24-QFN package

Suitable for automated assembly processes

Application Areas

Industrial controls

Automotive systems

Portable devices

Communications equipment

Power supplies

Product Lifecycle

Product Status: Active

Not near discontinuation

Future replacements or upgrades can be sourced if necessary

Several Key Reasons to Choose This Product

Robust performance with a wide input voltage range covering 3.8V to 36V

High efficiency and adjustable dual outputs for design flexibility

Extended temperature range makes it suitable for harsh environments

Compact QFN package ideal for space-constrained applications

Fast switching frequency allows for smaller passive components

Active product status ensures ongoing availability and support