MPQ20051DQ-AEC1-LF-Z - Monolithic Power Systems Inc.

Manufacturer Part Number

MPQ20051DQ-AEC1-LF-Z

Manufacturer

Monolithic Power Systems

Introduction

The MPQ20051DQ-AEC1-LF-Z is a voltage regulator, catering to power management needs with low dropout characteristics for linear regulation.

Product Features and Performance

Adjustable output voltage from 0.8V to 5V

Supports up to 1A output current

Low dropout voltage of 0.28V at 1A

Excellent Power Supply Rejection Ratio (PSRR) over a wide frequency range

Quiescent current of 200 µA

Includes enable control features for power-saving modes

Product Advantages

High efficiency in voltage regulation for battery-powered devices

Compact 8-QFN package suitable for space-constrained applications

AEC-Q100 qualification ensures reliability for automotive applications

High thermal performance with an exposed pad for better heat dissipation

Protection features shield the device from overcurrent, overtemperature, and undervoltage conditions

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 0.8V

Output Voltage (Max): 5V

Voltage Dropout (Max): 0.28V @ 1A

Output Current: 1A

Quiescent Current (Iq): 200 µA

Supply Current (Max): 700 µA

PSRR: 65dB ~ 33dB (100Hz ~ 1MHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Under Voltage Lockout (UVLO)

Compatibility

Surface Mount 8-VDFN Exposed Pad package compatible with standard PCB manufacturing processes

Application Areas

Automotive power systems

Portable and battery-powered electronics

Telecommunications infrastructure

Product Lifecycle

Status: Active

Not reported as nearing discontinuation

Replacements or upgrades should be available as part of Monolithic Power Systems' product line.

Several Key Reasons to Choose This Product

Highly reliable automotive-grade product with AEC-Q100 qualification

Low quiescent current ensures minimal power wastage during idle states

Flexible voltage output range suitable for various applications

Robust protection features ensure long-term durability and system safety

High PSRR provides stable voltage despite variations in input or load conditions