LTC3851AIUD-1#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3851AIUD-1#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3851AIUD-1#TRPBF is a high-performance step-down switching controller designed for efficient power management and conversion in a compact 16-QFN package.

Product Features and Performance

Step-down output configuration

Supports single output phase

Optimal for voltage supply range from 4V to 38V

Adjustable switching frequency from 235kHz to 750kHz

High duty cycle up to 99%

Incorporates synchronous rectifier for improved efficiency

Features include Enable, Frequency Control, Power Good, Soft Start, and Tracking

Operating temperature range from -40°C to 125°C

Product Advantages

High efficiency due to synchronous rectification

Flexible power management with adjustable switching frequency and soft start capability

Durable with an extended operating temperature range

Compact surface mount design suitable for dense PCB layouts

Key Technical Parameters

Output Type: Transistor Driver

Topology: Buck

Number of Outputs: 1

Voltage Supply (Vcc/Vdd): 4V ~ 38V

Frequency Switching: 235kHz ~ 750kHz

Duty Cycle (Max): 99%

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

Quality and Safety Features

Robust thermal management with exposed pad in the 16-WFQFN package

Built-in safety features including soft start to prevent current surge

Compatibility

Compatible with a wide range of input voltages (4V to 38V)

Suitable for various applications requiring efficient power conversion

Application Areas

Telecommunications

Networking equipment

Industrial systems

Portable electronic devices

Product Lifecycle

Currently active product status with ongoing manufacturer support

Not indicated as nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

High efficiency and flexibility in power management

Capable of handling a broad range of input voltages

Compact and reliable design with advanced safety features

Suitable for diverse applications across multiple industries