MAX8902AATA/V+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX8902AATA/V+T

Manufacturer

Analog Devices

Introduction

The MAX8902AATA/V+T is a high-performance, low-dropout (LDO) linear voltage regulator. It is designed for power-sensitive applications within automotive and industrial environments.

Product Features and Performance

Programmable output voltage from 1.5V to 4.7V

Ultra-low dropout voltage of 0.12V at 500mA load

High output current capacity of 500mA

Excellent power supply rejection ratio (PSRR) of 92dB at 5kHz and 62dB at 100kHz

Supports enable control feature for power optimization

Product Advantages

High efficiency due to low quiescent current (120 µA) and low maximum supply current (160 µA)

Features include over-temperature protection, reverse polarity protection, short circuit protection, and soft start for enhanced safety and reliability

AEC-Q100 qualification for automotive applications

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.5V

Output Voltage (Max): 4.7V

Dropout Voltage (Max): 0.12V @ 500mA

Output Current: 500mA

Quiescent Current (Iq): 120 µA

Supply Current (Max): 160 µA

PSRR: 92dB ~ 62dB (5kHz ~ 100kHz)

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Over-temperature protection

Reverse polarity protection

Short circuit protection

Soft start functionality

Compatibility

Compatible with automotive standards due to AEC-Q100 qualification

Surface mount package 8-WFDFN Exposed Pad suitable for compact PCB layouts

Application Areas

Automotive electronics

Industrial automation systems

Portable consumer electronics where power efficiency is critical

Product Lifecycle

Product status: Active

Not near discontinuation, with replacements or upgrades readily available if needed

Several Key Reasons to Choose This Product

Wide input voltage range and programmable output suitable for various applications

High PSRR and low dropout improving performance in noisy environments

Robust protection features ensuring reliability and safety in critical applications

Low current consumption aiding in energy-saving strategies

High temperature operational range making it suitable for harsh conditions.