MAX861ISA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX861ISA

Manufacturer

Analog Devices

Introduction

The MAX861ISA is a DC-DC switching regulator from the power management category designed for efficient voltage regulation with multiple input ranges, configured in a charge pump topology allowing both positive or negative output configurations.

Product Features and Performance

Operates with ratiometric function

Fixed output type configuration

Supports positive or negative output configurations

Charge Pump topology

Single output channel

Supports 1.5V, 2.5V minimum input voltage

Maximum input voltage up to 5.5V

Output voltages: -Vin, 2Vin

Maximum output current of 50mA

Multiple frequency settings for switching: 13kHz, 100kHz, 250kHz

Operating temperature range: -25°C to 85°C

Product Advantages

Flexibility with input voltage ranges, supporting a variety of power sources

Charge Pump topology facilitates polarity flexibility in output

Compact SMD package suitable for space-constrained applications

Key Technical Parameters

Voltage Input: 1.5V (Min), 5.5V (Max)

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

Current Output: 50mA

Frequency Switching: 13kHz, 100kHz, 250kHz

Operating Temperature: -25°C ~ 85°C

Quality and Safety Features

Built-in protection for reliable operation over specified temperature ranges

Conforms to stringent environmental and safety standards

Compatibility

Contains standard 8-SOIC package for compatibility with common surface-mount technology setups

Application Areas

Portable devices

Small electronics requiring efficient space utilization

Devices requiring inversion of input voltage

Product Lifecycle

Currently obsolete

Alternatives or upgrades need to be consulted from Analog Devices for newer applications

Several Key Reasons to Choose This Product

Wide range of input voltages suitable for various power sources

Capable of providing both negative and positive output voltages from a single input

Minimal external components required due to Charge Pump design

Low frequency options available that can accommodate noise-sensitive applications

Robust performance in a broad operating temperature range