LTC3784IUFD#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3784IUFD#PBF

Manufacturer

Analog Devices

Introduction

The LTC3784 is a high-performance PolyPhase® step-up DC/DC switching controller designed for power management applications.

Product Features and Performance

High efficiency voltage boost capability

PolyPhase operation for load sharing and reduced ripple

Can operate from 4.5V to 60V input supply

Dual output channels

Supports up to 96% duty cycle

Integrated with synchronous rectifier for improved efficiency

Adjustable frequency from 105kHz to 760kHz

Product Advantages

Optimized for high power applications

Programmable frequency control enhances design flexibility

Supports high duty cycle operations for wide output range

Synchronous rectification for better thermal performance and efficiency

Soft Start function to prevent inrush current during startup

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 4.5V ~ 60V

Frequency - Switching: 105kHz ~ 760kHz

Duty Cycle (Max): 96%

Output Type: Transistor Driver

Output Configuration: Positive

Topology: Boost

Number of Outputs: 2

Output Phases: 2

Quality and Safety Features

Operational temperature range from -40°C to 125°C

Robust design suitable for harsh environments

Compatibility

Surface Mount Mounting Type

28-WFQFN Exposed Pad Package

Compatible with 28-QFN (4x5) device packages

Application Areas

Power supply modules

Distributed Power Systems

Industrial control systems

Automotive and telecommunication infrastructure

Product Lifecycle

Active status, not indicated as nearing discontinuation

Replacement or upgrade may be available based on the specific use case and Analog Devices' product offerings

Several Key Reasons to Choose This Product

Enhanced power efficiency and thermal management with synchronous rectification

Flexibility in design with the adjustable switching frequency and dual outputs

Suitable for wide input voltage range applications from 4.5V to 60V

High reliability with over-current protection and thermal regulation features

Ease of integration due to Surface Mount technology and standard QFN packaging

Longevity in product lifecycle, ensuring support and supply continuity