MP8774H Synchronous Step-Down Converter

3 October, 2020

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MPS’ MP8774H has constant on-time (COT) control operation and provides very fast transient response, easy loop design, and very tight output regulation

MPS’ MP8774H is a fully integrated, high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. This device achieves 12 A of continuous output current with excellent load and line regulation over a wide input range from 3 V to 18 V. The MP8774H uses synchronous mode operation for higher efficiency over the output current load range. Full protection features include short-circuit protection (SCP), overcurrent protection (OCP), undervoltage protection (UVP), and thermal shutdown. COT control operation provides very fast transient response, easy loop design, and very tight output regulation. The MP8774H is available in a QFN-16 (3 mm x 3 mm) package.

Features

Output adjustable from 0.6 V
Operating wide input range: 3 V to 18 V
Output current: 12 A
16 mΩ/5.5 mΩ low R_DS(ON) internal power MOSFETs
Quiescent current: 100 µA
High-efficiency synchronous mode operation
Pre-biased start-up
Fixed 1.4 MHz switching frequency
External programmable soft-start time
Enable (EN) and power good (PG) for power sequencing
Overcurrent protection and hiccup mode
Thermal shutdown
Available in a QFN-16 (3 mm x 3 mm) package

more information: https://www.monolithicpower.com/en/mp8774h.html

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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