MAX1681ESA+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1681ESA+

Manufacturer

Analog Devices

Introduction

The MAX1681ESA+ is a voltage regulator designed for power management applications, capable of providing ratiometric output voltages via a charge pump topology.

Product Features and Performance

High efficiency charge pump voltage conversion

Fixed output voltage configuration supporting positive or negative outputs

Single output channel for simplified design

Input voltage range from 2V to 5.5V accommodating a variety of sources

Adjustable switching frequency between 500kHz and 1MHz for design flexibility

Capable of delivering up to 125mA of output current

Operational across a wide temperature range, from -40°C to +85°C making it suitable for harsh environments

Product Advantages

Versatile for both positive and negative voltage applications

Compact 8-SOIC package suitable for space-constrained applications

Active mode ensures ongoing product availability and support

Key Technical Parameters

Input Voltage (Min): 2V

Input Voltage (Max): 5.5V

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

Output Current: 125mA

Switching Frequency: 500kHz, 1MHz

Synchronous Rectifier: No

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

Mounting Type: Surface Mount

Package/Case: 8-SOIC

Quality and Safety Features

Robust design for reliable performance up to industrial temperature ranges

Surface mount package for secure PCB mounting

Compatibility

Compatible with many applications requiring either positive or negative voltage regulation

Application Areas

Handheld devices

Battery-powered electronics

Portable consumer electronics

Power supplies for sensors and small motors

Telecommunication infrastructure

Product Lifecycle

Product Status: Active (not near discontinuation)

Availability of replacements or upgrades subject to manufacturer's ongoing product development

Several Key Reasons to Choose This Product

Flexibility to be used in both positive and negative voltage applications

Suitable for a wide range of battery-operated portable devices due to its broad input voltage range

Compact size for space-sensitive designs

Ability to fine-tune performance with selectable switching frequency

Stable operation over a broad temperature spectrum catering to outdoor and industrial applications

Reliable performance with a strong backing from Analog Devices, a reputable manufacturer in the semiconductor industry