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MxL76125 - Synchronous Buck Regulator

Description

The MxL76125 device is a synchronous step-down regulator combining the controller, driver, bootstrap diode, and MOSFETs in a single package for point-of-load supplies.

The MxL76125 device is rated for 15A load.

Features

  • including overcurrent, over temperature, overvoltage, short-circuit, and UVLO, helps achieve safe operation under abnormal operating conditions. The MxL76125 device is available in a RoHS compliant, green/halogen-free space-saving 4mm x 5mm QFN package. Enable VIN = 5V to 22V Power Good MxL76125 EN BST PVIN SW VIN PGOOD FB VCC VID0 SS VID1 TON CIN CVCC CSS RON AGND IREF PGND CBST L1 CFF RFF RFB1 VOUT VVID0 VVID1 RFB2 COUT RREF RVID1 RVID0 For 4.5V ≤ VIN ≤ 5.5V, short V.

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Full PDF Text Transcription

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December 20, 2022 MxL76125 22V, 15A, Synchronous Buck Regulator with 2-Bit VID Description The MxL76125 device is a synchronous step-down regulator combining the controller, driver, bootstrap diode, and MOSFETs in a single package for point-of-load supplies. The MxL76125 device is rated for 15A load. A wide input voltage range from 5V to 22V allows for single supply operation from industry standard 5V, 12V, and 20V rails. With a proprietary emulated current mode constant on-time (COT) control scheme, the MxL76125 device provides extremely fast line and load transient response using ceramic output capacitors. The controller does not require any external loop compensation, which simplifies the circuit implementation and reduces the overall component count. It also provides 0.1% load and 0.
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