LTC3887EUJ#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3887EUJ#PBF

Manufacturer

Analog Devices

Introduction

The LTC3887 is a dual output high-performance PolyPhase synchronous step-down DC DC switching controller designed for precise voltage regulation and power management.

Product Features and Performance

Dual output synchronous step-down controller

PolyPhase operation for ripple current reduction

Compatible with high-efficiency, high-density power conversion

Adaptive voltage positioning (AVP) for improved transient response

Synchronous rectification for enhanced efficiency

I2C and PMBus interface for configurable control and monitoring

High switching frequency ranging from 250kHz to 1MHz

Suitable for high step-down ratio applications

Product Advantages

Precise voltage regulation enhances system reliability

Integrated MOSFET drivers reduce external component count

Fast transient response maintains voltage stability under variable loads

Programmable via the serial interface for flexible system integration

Thermal regulation optimizes performance across temperature variations

Key Technical Parameters

Supply Voltage: 4.5V ~ 24V

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Synchronous Rectifier: Yes

Clock Synchronization: Yes

Frequency - Switching: 250kHz ~ 1MHz

Quality and Safety Features

High temperature operational range from -40°C ~ 125°C (TJ)

Built-in overvoltage, overcurrent, and overtemperature protection

Compatibility

Compatible with a wide range of output and input voltages

Supports PolyPhase operation for scalability in multi-phase systems

Surface mount WFQFN-40 package easily integrated into various PCB designs

Application Areas

Telecommunications equipment

Data networking infrastructure

Servers and storage systems

Industrial computing and control

High-density power regulation for FPGAs, ASICs, and microprocessors

Product Lifecycle

The product status is active

No indication of near discontinuation

Standard support for replacements and upgrades

Several Key Reasons to Choose This Product

High integration reduces BOM cost and board space

Flexible power management through I2C and PMBus communication

Adjustable switching frequency accommodates specific application needs

High efficiency and precision ensure suitability for sensitive electronic devices

Reliable performance over a wide temperature range suitable for industrial applications