LTC7841EUHE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC7841EUHE#PBF

Manufacturer

Analog Devices

Introduction

The LTC7841EUHE#PBF is a high-performance DC-DC switching controller designed to manage power requirements efficiently. It facilitates step-up conversion and operates under a Boost topology.

Product Features and Performance

Output Type: Transistor Driver

Function: Step-Up

Output Configuration: Positive

Topology: Boost

Number of Outputs: 1

Output Phases: 12

Synchronous Rectifier for Improved Efficiency

Frequency - Switching: 75kHz ~ 850kHz

Duty Cycle (Max): 96%

Integrated Serial Interfaces: I2C, PMBus, SMBus

Control Features include Current Limit and Power Good

Operating Temperature Range: -40°C to 125°C

Product Advantages

High flexibility with adjustable switching frequency

Support for a wide input voltage range from 4.5V to 60V

Capable of operating in severe temperature conditions

Incorporates Synchronous Rectification for enhanced efficiency

Built-in communication interfaces for system monitoring and control

Key Technical Parameters

Voltage – Supply (Vcc/Vdd): 4.5V ~ 60V

Max Duty Cycle: 96%

Frequency – Switching Range: 75kHz ~ 850kHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Extended operational temperature range ensuring reliability in various environments

Current limiting capabilities to protect against overcurrent conditions

Power Good signal for real-time operational feedback

Compatibility

Mounting Type: Surface Mount

Package / Case: 36-WFQFN Exposed Pad

Supplier Device Package: 36-QFN (5x6)

Application Areas

Ideal for telecommunications, automotive, industrial power systems, and aerospace applications where efficiency and reliability are critical

Product Lifecycle

Product Status: Active

Not nearing discontinuation and replacements or upgrades are currently available

Several Key Reasons to Choose This Product

Supports a wide input voltage range suitable for various power supply scenarios

High flexibility and programmability via serial interfaces like I2C, PMBus, and SMBus

Robust thermal management and operational stability over a broad temperature range

High efficiency with synchronous rectification and a maximum duty cycle of 96%

Real-time system monitoring with Power Good signal and current limit features