LTC3784IGN#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3784IGN#PBF

Manufacturer

analog-devices

Introduction

The LTC3784IGN#PBF is a high-performance PolyPhase® power management integrated circuit (PMIC) designed for DC DC switching control, notably in boosting configurations. It is capable of driving two outputs with enhanced power efficiency and precision.

Product Features and Performance

Dual output transistor driver for step-up applications

Positive output configuration with boost topology

Two-phase operation for enhanced power efficiency

Supports a wide supply voltage range from 4.5V to 60V

Adjustable switching frequency from 105kHz to 760kHz

Maximum duty cycle of 96% enables high step-up ratios

Integrated synchronous rectifier for reduced power loss

Key control features include current limit, enable, frequency control, power good signal, and soft start

Product Advantages

High efficiency in boost configurations

Versatile input voltage range suits various power sources

Flexible frequency adjustment supports optimization for efficiency or component size

High duty cycle for large step-up voltage applications

Synchronous rectification enhances efficiency and reduces heat

Comprehensive control features enhance safety, reliability, and flexibility

Key Technical Parameters

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

Frequency Switching: 105kHz ~ 760kHz

Duty Cycle (Max): 96%

Synchronous Rectifier: Yes

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

Mounting Type: Surface Mount

Package / Case: 28-SSOP

Quality and Safety Features

Current limit and soft start features prevent damage during startup and overload conditions

Operating temperature range ensures reliability under extreme conditions

The PolyPhase® series is known for its robust safety features and high-quality performance

Compatibility

Ideal for applications requiring boost topology

Compatible with a wide range of input voltages and power configurations

Application Areas

High-power LED lighting

Battery-powered equipment step-up converters

Automotive and industrial power systems

Renewable energy systems

High-voltage power supplies

Product Lifecycle

Status: Active

This product is not near discontinuation and continues to be supported and manufactured, with replacements and upgrades available

Several Key Reasons to Choose This Product

Versatility in power supply compatibility enhances application scope

High efficiency and dual-phase operation reduce power loss and improve performance

Extended duty cycle capability enables applications with high step-up voltage requirements

Embedded synchronous rectification technology for less heat generation and higher efficiency

Comprehensive control features offer enhanced performance tweaking and protection mechanisms