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XRP2528EVB Datasheet(PDF) 1 Page - Exar Corporation |
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XRP2528EVB Datasheet(HTML) 1 Page - Exar Corporation |
1 / 13 page X XR RP P2 25 52 27 7 -- X XR RP P2 25 52 28 8 S Siin ng glle e/ /D Du ua all C Ch ha an nn ne ell A Ad djju us stta ab blle e C Cu urrrre en ntt P Po ow we err D Diis sttrriib bu uttiio on n S Sw wiittcch h July 2011 Rev. 1.1.0 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 XRP2527 and XRP2528 devices are respectively single and dual channel integrated high-side power distribution switches with independent enables, fault flags and precise programmable current limit thresholds. A wide 1.8V to 5.5V input voltage range allows for operations from industry standard 1.8V, 3.3V and 5V power rails. Current limit thresholds can be programmed accurately and independently for each channel via an external resistor. A simple setting optimizes the XRP2527 and XRP2528 for use in USB 2.0 or 3.0 compliant VBUS power distribution architectures. These devices can be used in any self or bus powered USB applications. The power-switch rise and fall times are controlled to minimize current surges during turn on/off. Built-in over current, under voltage lockout (UVLO), reverse current and over temperature protections insure safe operations under abnormal operating conditions. XRP2527 and XRP2528 are offered respectively in RoHS compliant “green”/halogen free 3mm x 3mm 8-pin and 10-pin TDFN packages. APPLICATIONS Generic Power Switching Self Powered USB 2.0 and 3.0 Hubs USB Compliant VBUS Power Distribution Audio-Video Equipments FEATURES Single/Dual Channel Current Switch 1A per channel capable 1.8V to 5.5V Input Voltage Range Programmable Over-Current Limit 300mA to 1A set via external resistor ±8% threshold accuracy at 1A USB 2.0/3.0 Compliant Individual Channel Enable Individual Channel Fault Flag Indicator Under voltage Lockout, Reverse Current and Thermal Shutdown Protection RoHS Compliant, Green/Halogen Free 8-Pin and 10-Pin TDFN Package TYPICAL APPLICATION DIAGRAM Fig. 1: XRP2528 Application Diagram |
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Similar Description - XRP2528EVB |
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