LTC3774EUHE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3774EUHE#PBF

Manufacturer

Analog Devices

Introduction

High-performance PolyPhase step-down switching controller for power management applications.

Product Features and Performance

Dual output PWM controller

Step-down (buck) topology

2-phase operation

Robust 4.5V to 38V operation voltage range

Switching frequency adjustable from 150kHz to 1.2MHz

Maximum duty cycle of 98%

Operates without synchronous rectification

Supports numerous control features for precise power regulation

Product Advantages

Efficient management of dynamic power loads

Flexible topology suited for various applications

High integration reduces external component count

Optimized for performance with built-in features such as soft start and tracking

Key Technical Parameters

Number of Outputs: 2

Output Phases: 2

Voltage Supply Range: 4.5V to 38V

Switching Frequency Range: 150kHz to 1.2MHz

Max Duty Cycle: 98%

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

Mounting Type: Surface Mount

Package: 36-WFQFN Exposed Pad

Quality and Safety Features

Built-in current limit

Over-temperature protection mechanism

Robust design with industrial temperature rating

Compatibility

Compatible with a wide range of input voltages and configurations

Can be used with non-synchronous rectifiers

Application Areas

Telecommunications

Industrial Power Systems

Datacom Infrastructure

Computing Systems

Product Lifecycle

Status: Active

Not nearing discontinuation with ongoing support, replacements, and upgrades available

Several Key Reasons to Choose This Product

Highly flexible design adaptable to specific application needs

Designed for excellent power efficiency and thermal performance

Long product lifecycle with support from Analog Devices

Extensive protection features ensure reliable operation under various conditions

The ability to fine-tune switching frequency for optimized performance