LTC3890EUH#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3890EUH#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3890 is a high-performance, dual-output PolyPhase® step-down switching controller optimized for powering critical circuits in various electronic devices.

Product Features and Performance

Dual output step-down switching function

PolyPhase® operation for reduced system noise and improved response

Synchronous rectification for higher efficiency

Supports wide supply voltage range from 4V to 60V

Adjustable switching frequency from 105kHz to 835kHz, and 350kHz to 535kHz

Maximum duty cycle reaches up to 99%

Integrated control features like current limit, soft start, and power good signal

Product Advantages

High efficiency due to synchronous rectification

Stable operation over a wide input voltage range

Flexible phase and frequency controls enhance performance customization

Supports complex power management requirements with dual output and polyphase abilities

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4V~60V

Frequency – Switching: 105kHz~835kHz, 350kHz~535kHz

Duty Cycle (Max): 99%

Number of Outputs: 2

Output Phases: 2

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

Quality and Safety Features

Built-in current limit and soft-start features prevent damage during abrupt changes in conditions

Thermal shutdown and overvoltage protection mechanisms enhance product reliability and safety

Compatibility

Suitable for surface mounting applications

Compatible with various electronic devices requiring efficient power control

Application Areas

Servers and networking equipment

Industrial power systems

Telecommunications infrastructure

Portable electronic devices

Product Lifecycle

Product status: Active

Not currently nearing discontinuation

Replacements or upgrades are available if required

Several Key Reasons to Choose This Product

Exceptional power efficiency and management for critical applications

Supports a wide range of input voltages, suitable for variable power supplies

Dual polyphase outputs minimize system noise, enhance stability

Wide operating temperature range fits harsh environments

Advanced safety features ensure long-term reliability