MAX828EUK - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX828EUK

Manufacturer

Analog Devices

Introduction

The MAX828EUK is a ratiometric charge pump voltage regulator that ensures efficient voltage inversion with a fixed output from a positive input voltage.

Product Features and Performance

Utilizes charge pump technology

Fixed output voltage configuration

Provides negative output voltage from a positive input

Operates at a switching frequency of 12kHz

Capable of driving output current up to 25mA

Product Advantages

Compact SOT-23-5 package suitable for space-constrained applications

Low-input voltage operation from 1.5V to 5.5V

No need for an external inductor

Broad operating temperature range from -40°C to 85°C

Key Technical Parameters

Input Voltage (Min): 1.5V

Input Voltage (Max): 5.5V

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

Output Current: 25mA

Switching Frequency: 12kHz

Quality and Safety Features

Robust thermal performance across a wide temperature range

Built-in safety features for circuit protection

Compatibility

Suitable for applications requiring a small footprint and surface mount assembly

Application Areas

Power supplies for small electronics

Battery-powered devices

Portable applications requiring negative voltage rails

Product Lifecycle

Status: Obsolete

Note: Check for potential replacements or upgrades for future designs

Several Key Reasons to Choose This Product

Efficient voltage inversion ideal for ratiometric applications

Convenient package for minimal PCB real estate usage

Reliable performance under a range of environmental conditions

Suitable for low-voltage operations which is common in portable devices

No inductor needed, simplifying circuit design and reducing additional component costs