MP9943AGQ-Z - Monolithic Power Systems Inc.

Manufacturer Part Number

MP9943AGQ-Z

Manufacturer

monolithic-power-systems

Introduction

The MP9943AGQ-Z is a highly efficient, step-down switching regulator designed by Monolithic Power Systems for a wide range of applications. It operates in a buck topology to convert higher input voltages to lower output voltages with adjustable values.

Product Features and Performance

Step-Down (Buck) regulator topology

Adjustable output voltage from 0.8V to 28.5V

Capable of delivering Output Current up to 3A

Input voltage range from 4V to 36V

High-frequency switching at 410kHz

Integrates a synchronous rectifier for improved efficiency

Operates across a wide temperature range from -40°C to 125°C (TJ)

Product Advantages

Versatile adjustable output for various applications

Wide input voltage range supports a multitude of source voltages

High efficiency due to synchronous rectification

Compact 8-VDFN package ideal for space-constrained applications

Robust thermal and electrical characteristics for reliable operation in harsh environments

Key Technical Parameters

Voltage Input (Min/Max): 4V / 36V

Voltage Output (Min/Max): 0.8V / 28.5V

Current Output: 3A

Switching Frequency: 410kHz

Operating Temperature: -40°C ~ 125°C (TJ)

Mounting Type: Surface Mount

Package / Case: 8-VDFN, 8-QFN (3x3)

Quality and Safety Features

Built to operate reliably in tough conditions with an extensive temperature range

Highly integrated design reduces external component count, enhancing system reliability

Undergone rigorous testing to ensure quality and safety standards

Compatibility

Suitable for a broad range of applications requiring step-down voltage regulation

Compatible with various types of electronic devices due to adjustable output voltage

Application Areas

Power supply modules

Consumer electronics

Industrial systems

Telecommunications equipment

Automotive devices

Product Lifecycle

Currently marked as Active

No reported discontinuation or obsolescence, ensuring long-term availability and support

Possibility for future upgrades or replacements as technology advances

Several Key Reasons to Choose This Product

Highly efficient step-down voltage conversion increases battery life in portable devices

Supports a wide range of input voltages, facilitating use in global products

Adjustable output voltage enhances flexibility, making it suitable for various electronic systems

Compact and efficient design is ideal for space-sensitive applications

Robust performance and reliability under a broad range of operating conditions