LTC1773EMS#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC1773EMS#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC1773EMS#TRPBF is a compact, high-efficiency, step-down DC-DC switching controller designed for power management and capable of driving a transistor to regulate output voltage.

Product Features and Performance

High Efficiency Step-Down Conversion

1 Output Transistor Driver

Positive Output Configuration

Buck Topology

Single Output Phase

Operating Frequency of 550kHz

100% Maximum Duty Cycle

Incorporates Synchronous Rectification for Improved Efficiency

Clock Synchronization Capability

Soft Start Functionality to Minimize Inrush Current

Enable Control Feature for On/Off Control

Product Advantages

High Switching Frequency Reduces External Component Size

Fully Integrated Synchronous Rectification

Compatible with Wide Input Voltage Range (2.65V to 8.5V)

High Duty Cycle Enables Low Output Voltages

Stable Operation with Low ESR Output Capacitors

High-Efficiency Design Leads to Energy Saving

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Topology: Buck

Number of Outputs: 1

Voltage - Supply (Vcc/Vdd): 2.65V to 8.5V

Switching Frequency: 550kHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Quality and Safety Features

Operating Temperature Range: -40°C to 85°C

Industry-Standard Quality and Reliability

Compatibility

Mounting Type: Surface Mount

Package / Case: 10-TFSOP, 10-MSOP

Application Areas

Power Supply Modules

Consumer Electronics

Portable Devices

Telecommunications

Computing Applications

Product Lifecycle

Product Status: Active

No Indication of Nearing Discontinuation

Availability of Replacements or Upgrades to be verified with Manufacturer

Key Reasons to Choose This Product

Minimized Solution Footprint Due to High Frequency Operation

Supports a Broad Range of Input Voltages

High Integration Reduces External Component Count

Thermal Performance Suitable for Various Applications

Flexibility in Application Design with Enable and Soft Start Features

High-reliability Vendor Reputation (Analog Devices)

Suitable for a Wide Range of Applications Due to General-Purpose Nature

High-Efficiency Operation Reduces Power Loss and Heat Dissipation