MPQ4423GQ-AEC1-Z Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-VDFN

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Description:

The MPQ4423 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 3A continuous output current with excellent load and line regulation over a wide input supply range. The MPQ4423 has synchronous mode operation for higher efficiency over the output current load range.

Current-mode operation provides fast transient response and eases loop stabilization.

Full protection features include over-current protection and thermal shut down.

The MPQ4423 requires a minimal number of readily-available standard external components, and is available in a space-saving QFN-8 (3mmx3mm) package.

FEATURES

 Wide 4V to 30V Continuous Operating Input Range

 36V Input Transient Tolerance for Automotive Load Dump

 85mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs

 High-Efficiency Synchronous Mode Operation

 Default 410kHz Switching Frequency

 Synchronizes to a 200kHz to 2.2MHz External Clock

 High Duty Cycle for Automotive Cold-crank

 Power-Save Mode

 Internal Soft-Start

 Power Good

 OCP Protection and Hiccup

 Thermal Shutdown

 Output Adjustable from 0.8V

 Available in an QFN-8 (3mmx3mm)

 Available in AEC-Q100 Grade 1

APPLICATIONS

 Automotive

 Industrial Control System

 Distributed Power Systems

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