LTC3789IUFD#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3789IUFD#PBF

Manufacturer

Analog Devices

Introduction

The LTC3789IUFD#PBF is a high-performance Power Management Integrated Circuit (PMIC) designed for DC DC switching control, capable of managing step-up and step-down configurations efficiently.

Product Features and Performance

High-efficiency buck-boost operation

Wide input voltage range: 4V to 38V, accommodating a variety of power sources

Adjustable switching frequency from 200kHz to 640kHz

Maximum 90% duty cycle for extended power range

Incorporates synchronous rectification for improved efficiency

Features include Current Limit, Enable, Frequency Control, Power Good, Soft Start for enhanced control and protection

Supports single-phase operation with two outputs

Product Advantages

Flexibility in handling wide input voltage variations

High efficiency and reduced power loss due to synchronous rectification

Adjustable switching frequency allows optimization between efficiency and component size

Comprehensive control features enhance safety and reliability

Key Technical Parameters

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

Switching Frequency: 200kHz ~ 640kHz

Duty Cycle (Max): 90%

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

Quality and Safety Features

Built-in current limit and soft start features prevent damage from sudden changes in input or output conditions

The robust operating temperature range ensures reliable performance under extreme conditions

Compatibility

The device's surface mount package (28-WFQFN Exposed Pad) is compatible with a wide range of PCB designs

Application Areas

Versatile power management applications across industries including automotive, telecommunications, and industrial systems

Ideal for portable devices where efficient power management is crucial

Product Lifecycle

Currently active product status with no immediate discontinuation notice, ensuring long-term availability and support

Upgrades or replacements are available based on evolving technology and application requirements

Several Key Reasons to Choose This Product

High degree of versatility and compatibility with various voltage inputs and systems

Enhanced efficiency and control features lead to improved performance and reliability

Robust design capable of operating in harsh environments

Support from a reputable manufacturer like Analog Devices, ensuring reliability and technical assistance