MAX1856EUB - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1856EUB

Manufacturer

Maxim Integrated

Introduction

The MAX1856EUB is a high-efficiency, step-down (buck) DC-DC converter that provides a regulated negative output voltage from a positive input voltage.

Product Features and Performance

High efficiency over a wide load range

Low quiescent current of 16μA

Adjustable output voltage from -24V to -72V

Input voltage range from 3V to 28V

Current-mode control for excellent line and load regulation

Internal compensation simplifies design

Thermal shutdown and current limiting protection

5% initial output voltage accuracy

Extremely low output voltage ripple

Product Advantages

Wide input voltage range

Highly efficient power conversion

Adjustable output voltage

Compact size

Comprehensive protection features

Key Technical Parameters

Input Voltage Range: 3V to 28V

Output Voltage Range: -24V to -72V

Output Current: Dependent on load and heatsinking

Switching Frequency: 330kHz

Package: 10-uMAX/uSOP

Quality and Safety Features

Thermal shutdown protection

Current limiting protection

Extensive safety and quality testing

Compatibility

Compatible with a wide range of applications that require a negative regulated power supply, such as controllers, satellite boxes, xDSL and cable modems.

Application Areas

Controllers

Satellite Boxes

xDSL and Cable Modems

Product Lifecycle

The MAX1856EUB is an actively supported product by Maxim Integrated.

Replacement or upgrade options may be available, depending on the specific application requirements.

Key Reasons to Choose This Product

Wide input voltage range for versatility

High efficiency for reduced power consumption

Adjustable output voltage for customized power needs

Compact size for space-constrained designs

Robust protection features for reliable operation

Extensive compatibility with various applications