MAX868EUB+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX868EUB+

Manufacturer

Analog Devices

Introduction

The MAX868EUB+ is a compact, high-efficiency, ratiometric charge pump DC-DC converter.

Product Features and Performance

Ratiometric charge pump converter

Provides positive or negative output

Fixed output voltage option

Single output channel

Operates with a broad input voltage range from 1.8V to 5.5V

Can double or invert the input voltage at the output

Delivers a constant 30mA current

Selectable switching frequency between 270kHz and 630kHz

Suitable for operation at temperatures from -40°C to +85°C

Product Advantages

High conversion efficiency

No need for an external diode for the charge pump

Capable of both voltage inversion and doubling

Simple and compact circuit design

Low quiescent current ideal for power-sensitive applications

Key Technical Parameters

Input Voltage (Min): 1.8V

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): -Vin, 2Vin

Output Current: 30mA

Switching Frequency: 270kHz to 630kHz

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

Quality and Safety Features

Built-in thermal overload protection

Short-circuit protection mechanism

Compatibility

Compatible with many digital and analog circuits due to its ratiometric output feature

Application Areas

Battery-powered devices

Portable communication equipment

LCD power supplies

Product Lifecycle

Active status

Long-term availability

Support for future designs without the concern of early discontinuation

Several Key Reasons to Choose This Product

High energy efficiency for extended battery life in portable applications

Flexible operating voltage range compatible with various power sources

The small form factor and surface mount packaging enable compact PCB design

Robust performance with built-in protection features ensures reliability

Wide temperature operational range makes it suitable for diverse environments

Versatility with fixed voltage, doubling, or inversion of input voltage meets multiple design needs