LTC3868EUH#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3868EUH#TRPBF

Manufacturer

Analog Devices

Introduction

High-performance, dual, 2-phase synchronous step-down DC-DC switching controller

Product Features and Performance

Dual, 2-phase controller

105kHz to 835kHz adjustable frequency range

Second frequency range: 350kHz to 535kHz

Maximum duty cycle of 99.4%

Supports synchronous rectification

Phase-locked loop for frequency synchronization (Phase Control)

Output overvoltage protection

Soft-start capability

Power good signal output

Integrated current limit function

Product Advantages

Enhanced power efficiency for multi-phase operation

Precise control over output voltage and current

Flexibility in frequency synchronization

High duty cycle allows low dropout operation

Minimized external components due to integration

Key Technical Parameters

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4V to 24V

Duty Cycle (Max): 99.4%

Synchronous Rectifier: Yes

Control Features: Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start

Quality and Safety Features

Integrated current limit for overcurrent protection

Thermal shutdown for overtemperature protection

Output overvoltage protection to prevent damage to downstream components

Compatibility

Surface Mount 32-WFQFN Exposed Pad compatibility

Can be interfaced with various microcontrollers and digital systems

Application Areas

Distributed Power Systems

Networking and Telecommunications

Servers and Storage Systems

Industrial and Automotive Power Supplies

Product Lifecycle

Active product with ongoing manufacturing and availability

No immediate discontinuation notice, providing longevity in designs

Several Key Reasons to Choose This Product

High-efficiency power conversion for demanding applications

Dual output capability for multi-rail systems

Versatile frequency control for noise-sensitive applications

High maximum duty cycle for flexibility in input/output voltage selection

Comprehensive protection features enhance system reliability

Adaptable to a wide range of applications due to broad supply voltage range

Surface mount package suitable for compact and high-density designs