LTC3869EUFD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3869EUFD#TRPBF

Manufacturer

Analog Devices

Introduction

High performance, dual output synchronous step-down DC-DC controller

Product Features and Performance

Dual output synchronous step-down controller

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Supports a wide input voltage range: 4V ~ 38V

Adjustable switching frequency: 250kHz ~ 780kHz

High duty cycle operation up to 95%

Integrated synchronous rectifier for improved efficiency

Product Advantages

High efficiency with synchronous rectification

Stable operation with up to 95% duty cycle

Dual phase operation reduces output ripple

Wide input voltage range accommodates various applications

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 4V ~ 38V

Frequency - Switching: 250kHz ~ 780kHz

Duty Cycle (Max): 95%

Compatible with surface mount technology

Quality and Safety Features

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

Robust thermal performance with exposed pad QFN package

Compatibility

Surface Mount Mounting Type

Package / Case: 28-WFQFN Exposed Pad

Supplier Device Package: 28-QFN (4x5)

Application Areas

Versatile power management for telecommunications, networking, industrial applications

Ideal for computing systems and high-density power supplies

Product Lifecycle

Product Status: Active

Not nearing discontinuation with continuous availability assured

Several Key Reasons to Choose This Product

Highly efficient power conversion for reduced energy loss

Flexible power management applicable to various input voltages

Optimal for multi-phase operations with low output ripple

Extended temperature range supporting harsh environments

Compact QFN package suitable for various circuit boards

Adaptive switching frequency for tailored performance

No need for external sync thanks to the internal phase-locked loop

Supports complex power sequencing with tracking and other control features

Reliability and longevity with Analog Devices' robust manufacturing standards