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XRP6141ELTR-F Datasheet(PDF) 1 Page - Exar Corporation |
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XRP6141ELTR-F Datasheet(HTML) 1 Page - Exar Corporation |
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1 / 14 page  XRP6141 35A Synchronous Step Down COT Controller July 2015 Rev. 2.0.0 Exar Corporation www.exar.com 48720 Kato Road, Fremont CA 94538, USA Tel. +1 510 668-7000 – Fax. +1 510 668-7001 GENERAL DESCRIPTION The XRP6141 is a synchronous step-down controller for point-of load supplies up to 35A. A wide 4.5V 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 XRP6141 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 line regulation and maintains constant operating frequency. A selectable power saving mode, allows the user to operate in discontinuous mode (DCM) at light current loads thereby significantly increasing the converter efficiency. A host of protection features, including over- current, over-temperature, short-circuit and UVLO, help achieve safe operation under abnormal operating conditions. The XRP6141 is available in RoHS compliant, green/halogen free space-saving 16-pin 3x3 QFN package. APPLICATIONS Networking and Communications Fast Transient Point-of-Loads Industrial and Medical Equipment Embedded High Power FPGA FEATURES 35A Capable Step Down Controller Wide Input Voltage Range o 5V to 22V Single Supply o 4.5V to 5.5V Low VIN Integrated high Current 2A/3A Drivers 0.6V to 18V Adjustable Output Voltage Proprietary Constant On-Time Control No Loop Compensation Required Ceramic Output Cap. Stable operation Programmable 200ns-2µs Constant 200kHz-800kHz Frequency Selectable CCM or CCM/DCM Operation Programmable hiccup current limit with thermal compensation Precision Enable and Power-Good Flag Programmable Soft-start Integrated Bootstrap diode 16-pin QFN Package TYPICAL APPLICATION DIAGRAM Fig. 1: XRP6141 Application Diagram |
Similar Part No. - XRP6141ELTR-F |
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Similar Description - XRP6141ELTR-F |
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