LTC3871ILXE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3871ILXE#PBF

Manufacturer

Analog Devices

Introduction

High performance, PolyPhase DC/DC switching controller designed for step-up and step-down power conversion.

Product Features and Performance

Programmable PolysPhase architecture for scalable power

Supports positive buck and boost topologies

Dual output capabilities

Switching frequency range from 60kHz to 460kHz

High duty cycle up to 98% for low dropout scenarios

Supports synchronous rectification for improved efficiency

Integrated clock synchronization feature

Comprehensive control via features like current limit, enable, frequency control, phase control, and soft start

Operational over a wide supply voltage range from 1.2V to 100V

Extended operating temperature range from -40°C to 125°C

Product Advantages

Versatile power solution capable of driving complex power supply systems

High efficiency and performance suited for demanding environments

Easily programmable to fit specific application needs

Robust design facilitating extended product longevity

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Down

Output Configuration: Positive

Topology: Buck, Boost

Number of Outputs: 2

Output Phases: Programmable

Voltage - Supply (Vcc/Vdd): 1.2V ~ 100V

Frequency - Switching: 60kHz ~ 460kHz

Duty Cycle (Max): 98%

Synchronous Rectifier: Yes

Clock Sync: Yes

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Quality and Safety Features

Designed to meet stringent industrial performance standards

Provides reliable operation in demanding temperature conditions

Advanced integrated protection mechanisms such as current limiting

Compatibility

Compatible with various output loads due to programmable phase capability

Suitable for high voltage power systems due to wide Vcc/Vdd range

Mounting compatible with surface mount technology

Application Areas

PolysPhase power systems

Telecommunications

Data servers and networking

Industrial power supplies

Automotive electronics

Product Lifecycle

Currently active product

Not nearing discontinuation

Options available for future upgrades and replacements

Several Key Reasons to Choose This Product

Robust performance with high efficiency switching capabilities

Flexible voltage and frequency ranges allow for usage in multiple applications

Customizable phase set-up for multi-phase power systems

Long-term reliability with quality manufacturing from Analog Devices

Strong support for integration into complex power management systems