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XRP7664IDTR-F Datasheet(PDF) 1 Page - Exar Corporation |
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XRP7664IDTR-F Datasheet(HTML) 1 Page - Exar Corporation |
1 / 2 page www.exar.com XRP7664 The Popular Choice for 2A Power Rail Down Conversions 2A 18V Synchronous Step-Down Converter The XRP7664 is a synchronous current mode PWM step down (buck) regulator capable of a constant output current up to 2Amps. A wide 4.75V to 18V input voltage range allows for single supply operations from industry standard 5V and 12V power rails. With a 340kHz constant operating frequency and integrated high and low side 120mΩ/110mΩ MOSFETs, the XRP7664 reduces the overall component count and solution footprint. Current-mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 0.1uA. Built-in output over voltage (open load), over temperature, cycle-by-cycle over current and under voltage lockout (UVLO) protections insure safe operations under abnormal operating conditions. The XRP7664 is offered in a RoHS compliant, “green”/halogen free 8-pin SOIC package. MAJOR FEATURES • Pin/Function Compatible to MP1482 • 2A Continuous Output Current • 4.75V to 18V Wide Input Voltage • PWM Current Mode Control 340kHz Constant Operations Up to 93% Efficiency • Adjustable Output Voltage 0.925V to 16V Range 3% Accuracy • Programmable Soft-Start and Enable Function • Built-in Thermal, Over Current, UVLO and Output Over Voltage Protections • RoHS Compliant, “Green”/ Halogen Free 8-Pin SOIC Package |
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