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XR75100 - 40V Synchronous Step Down COT Controller

Description

The XR75100 is a synchronous step-down controller for point-of load supplies up to 20A.

A wide 5.5V to 40V input voltage range allows for single supply operation from industry standard 12V, 18V, and 24V DC and AC rails.

Features

  • including over-current, over-temperature, short-circuit and UVLO, help achieve safe operation under abnormal operating conditions. The XR75100 is available in RoHS compliant, green/halogen free spacesaving 16-pin 3x3 QFN package.

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Datasheet preview – XR75100

Datasheet Details

Part number XR75100
Manufacturer Exar
File Size 3.23 MB
Description 40V Synchronous Step Down COT Controller
Datasheet download datasheet XR75100 Datasheet
Additional preview pages of the XR75100 datasheet.

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Full PDF Text Transcription

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XR75100 40V Synchronous Step Down COT Controller General Description The XR75100 is a synchronous step-down controller for point-of load supplies up to 20A. A wide 5.5V to 40V input voltage range allows for single supply operation from industry standard 12V, 18V, and 24V DC and AC rails. With a proprietary emulated current mode Constant On-Time (COT) control scheme, the XR75100 provides extremely fast line and load transient response using ceramic output capacitors. It requires no loop compensation hence simplifying circuit implementation and reducing overall component count. The control loop also provides exceptional load and line regulation and maintains constant operating frequency.
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