MAX889RESA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX889RESA+T

Manufacturer

Analog Devices

Introduction

Voltage regulator chip for converting positive voltage to negative voltage in power management applications.

Product Features and Performance

Step-down charge pump converter

Adjustable negative output voltage

High switching frequency of 500kHz

Supports 200mA output current

Operates with input voltages ranging from 2.7V to 5.5V

Provides output voltages ranging from -2.5V to -5.5V

Operational temperature range from -40°C to 85°C

Product Advantages

Efficient power conversion for small form factor and portable applications

Simple circuit design reduces external component count

Stable operation without inductors

Key Technical Parameters

Output configuration: Negative

Topology: Charge Pump

Output Type: Adjustable

Number of outputs: 1

Voltage - Input (Min): 2.7V

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): -2.5V

Voltage - Output (Max): -5.5V

Current - Output: 200mA

Frequency - Switching: 500kHz

Synchronous Rectifier: No

Quality and Safety Features

Built-in thermal overload protection

Output short-circuit protection

Compatibility

Compatible with surface mount technology

Can be used with a range of input voltage sources within specified range

Package / Case compatible for 8-SOIC

Application Areas

Portable electronics

Battery-powered devices

LCD bias supply

Sensor biasing

Product Lifecycle

Active product status

Not near discontinuation

Replacement or upgrade options may exist within Analog Devices portfolio

Several Key Reasons to Choose This Product

High efficiency for extended battery life

Versatile input and adjustable output voltage levels

Easy implementation in space-constrained applications

Reliable performance with built-in protective features

Tailored for use in a wide range of electronic devices

Supported by Analog Devices' reputation and technical support