LTC3728LXCUH#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3728LXCUH#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3728LXCUH#TRPBF is a dual output, step-down DC DC switching controller designed for power management applications.

Product Features and Performance

Dual output design

Step-down functionality

Positive output configuration

Buck topology

Synchronous rectifier support for efficiency

Supports a wide input voltage range from 4.5V to 28V

Adjustable switching frequency from 260kHz to 550kHz

Maximum duty cycle of 99.4%

Soft start feature reduces inrush current

Power Good signal for output status monitoring

Enable control for convenient power management

Product Advantages

High efficiency due to synchronous rectification

Dual phase operation reduces output voltage ripple

Flexibility with adjustable switching frequency

Integrated features like soft start, Power Good signal, and Enable control simplify design

Key Technical Parameters

Number of Outputs: 2

Output Phases: 2

Voltage - Supply (Vcc/Vdd): 4.5V ~ 28V

Frequency - Switching: 260kHz ~ 550kHz

Duty Cycle (Max): 99.4%

Operating Temperature: 0°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 32-WFQFN Exposed Pad

Quality and Safety Features

Designed for robust performance in a temperature range of 0°C to 85°C

Protected against over-temperature conditions

Compatibility

Compatible with various surface mount technologies due to its 32-WFQFN exposed pad package

Application Areas

Suitable for telecommunications, computing systems, and industrial electronics

Product Lifecycle

Currently active with no indication of nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Dual output functionality enables versatile power management solutions

High efficiency and low ripple via synchronous rectification and dual output phases

Wide input voltage range accommodates various supply levels

Integrated control features facilitate enhanced system management

Robust design suitable for a broad range of application temperatures