MAX1921EUT25+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1921EUT25+T

Manufacturer

Analog Devices

Introduction

The MAX1921EUT25+T is a high-efficiency, compact, step-down DC-DC switching regulator designed for power management applications.

Product Features and Performance

High-Efficiency Step-Down Converter

Fixed 2.5V Output Voltage

Single Output with 0.4A Current Capacity

Wide Input Voltage Range from 2V to 5.5V

Synchronous Rectification for Improved Efficiency

High Switching Frequency up to 1.2MHz

Operates in Buck topology

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

Product Advantages

Compact SOT-23-6 Package

Low Output Ripple

Thermal Shutdown and Overcurrent Protection

High Power Density

Low Quiescent Current

Key Technical Parameters

Number of Outputs: 1

Voltage - Input (Min): 2V

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 2.5V

Current - Output: 0.4A

Frequency - Switching: Up to 1.2MHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-In Thermal Shutdown

Overcurrent Protection

Stable Operation with Ceramic and Other Capacitor Types

Compatibility

Compatible with Surface Mount Technology

Designed for use with SOT-23-6 package footprint

Application Areas

Portable and Battery-Powered Devices

Point of Load Power Supplies

Wireless Communication Devices

Consumer Electronics

Product Lifecycle

Status: Active

Long-term availability with no known discontinuation

Replacements or upgrades can be sourced through Analog Devices product range

Several Key Reasons to Choose This Product

Ultra-Small Footprint Suited for Space-Constrained Applications

High-Efficiency Design Conserves Battery Life

Fast Transient Response

Integrated Synchronous Rectification Provides High Efficiency at Light Loads

Flexible Input Voltage Range Supports a Variety of Power Sources

Robust Design Ensures Long-Term Reliability in Harsh Conditions

Ready for Automated PCB Assembly Processes