MAX861IUA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX861IUA+T

Manufacturer

Analog Devices

Introduction

Compact, high-efficiency charge pump voltage regulator

Product Features and Performance

Ratiometric function

Positive or negative output configuration

Charge pump topology provides high efficiency

Fixed output type for stable voltage regulation

Single output for simplicity in design

Low minimum input voltage suitable for battery-powered applications

Product Advantages

High-efficiency conversion over a wide range of loads

Minimal external components required due to integrated charge pump

Operates at multiple switching frequencies for flexible design options

Key Technical Parameters

Input Voltage (Min): 1.5V, 2.5V

Input Voltage (Max): 5.5V

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

Current - Output: 50mA

Switching Frequency: 13kHz, 100kHz, 250kHz

No Synchronous Rectifier to simplify design

Operating Temperature Range: -25°C to 85°C

Quality and Safety Features

Built-in over-temperature protection

Stable operation over full temperature range ensures reliability

Compatibility

Surface mount device compatible with standard PCB manufacturing processes

Pin-compatible within MAX861 series for flexible design updates

Application Areas

Battery-powered devices

Portable electronics

Small form factor applications requiring voltage inversion or doubling

Product Lifecycle

Product Status: Active

No indication of discontinuation, therefore support is ongoing

Availability of replacements or upgrades can be checked with the manufacturer

Several Key Reasons to Choose This Product

Low input voltage capability beneficial for battery-operated devices

Multiple switching frequencies allow optimization for noise-sensitive applications

Compact 8-TSSOP, 8-MSOP package saves space on PCB

Simple to use, minimizing design complexity and time to market

Highly reliable with built-in safety features for robust performance