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XR76117 - 15A Synchronous Step-Down COT Regulator

Datasheet Summary

Description

The XR76117 is a synchronous step-down regulator combining the controller, drivers, bootstrap diode and MOSFETs in a single package for point-of-load supplies.

The XR76117 has a load current rating of 15A.

Features

  • including overcurrent, over temperature, overvoltage, short-circuit, open feedback detect and UVLO, helps achieve safe operation under abnormal operating conditions. The XR76117 is available in a RoHS compliant, green/halogen-free space-saving 5mm x 6mm QFN package. Typical.

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Datasheet Details

Part number XR76117
Manufacturer Exar
File Size 2.53 MB
Description 15A Synchronous Step-Down COT Regulator
Datasheet download datasheet XR76117 Datasheet
Additional preview pages of the XR76117 datasheet.

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Full PDF Text Transcription

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XR76117 PowerBloxTM 15A Synchronous Step-Down COT Regulator Description The XR76117 is a synchronous step-down regulator combining the controller, drivers, bootstrap diode and MOSFETs in a single package for point-of-load supplies. The XR76117 has a load current rating of 15A. A wide 5V to 22V input voltage range allows for single supply operation from industry standard 5V, 12V and 19.6V rails. With a proprietary emulated current mode constant on-time (COT) control scheme, the XR76117 provides extremely fast line and load transient response using ceramic output capacitors. It require sno loop compensation, simplifying circuit implementation and reducing overall component count. The control loop also provides 0.1% load and 0.1% line regulation and maintains constant operating frequency.
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