XRP2523ISTR-F MaxLinear

XXRRPP22552233 11..55AA SSiinnggllee CChhaannnneell UUSSBB 33..00 PPoowweerr DDiissttrriibbuuttiioonn SSwwiittcchh October 2012 Rev. 1.0.0 GENERAL DESCRIPTION EEVVAALLUUAATTIIOONN BBOOAARRDD MMAANNUUAALL The Exar XRP2523 Evaluation board (EVB) is a full assembled and tested surface-mount PCB that demonstrates the XRP2523 single-channel integrated high-side power distribution switches. Optimized for USB V power distribution, the BUS XRP2523 is compliant with the latest USB 3.0 specification and can be used in any self or bus powered USB applications. It is provided with an enable pin while an error flag is available to indicate fault conditions. XRP2523 is offered in a RoHS compliant FEATURES green/halogen free 5-pin SOT-23 package. 1.5A Single Channel Current Switch 1.5A continuous load current STANDARD CONFIGURATION 1.6A Over-current Limit The XRP7659EVB evaluation board is 3.2V to 6.5V Input Voltage Range configured to operate under the following conditions and parameters: USB 2.0 and USB 3.0 Compliant Input voltage range V : 3.2V 6.5V IN Active High Enable Output current/load range: 0 1.5A Soft Start Channel Fault Flag Indicator 9ms Blanking Time UVLO, Reverse Current, Short circuit and Thermal Shutdown Protection EVALUATION BOARD SCHEMATICS U1 XRP2523 1 5 EN OUT 2 GND 3 4 FLG IN ENA VIN = 3.2V - 6.5V R1 10k FLGA VIN R2 1 8 VOUTA ENA OUTA VLA DNP 2 7 FLGA IN CLA1 CLA2 R4 3 6 22uF 0.1uF FLGB GND VLB CIN1 CIN2 DNP 4 5 DNP 1uF ENB OUTB GND U2 DNP FLGB CLB1 CLB2 DNP DNP R3 DNP ENB VOUTB Fig. 1: XRP2523 Evaluation Board Schematic Exar Corporation www.exar.com 48720 Kato Road, Fremont CA 94538, USA Tel. +1 510 668-7000 Fax. +1 510 668-7001 XXRRPP22552233 11..55AA SSiinnggllee CChhaannnneell UUSSBB 33..00 PPoowweerr DDiissttrriibbuuttiioonn SSwwiittcchh PIN ASSIGNMENT XRP2523 1 5 EN OUT 2 GND 3 4 FLG IN SOT-23-5 Fig. 2: XRP2523 Pin Assignment PIN DESCRIPTION XRP2523 Name Pin Number Description 1 EN Channel Enable Input GND 2 Ground Signal Error Flag Signal 3 FLG Active low open drain output. Active on over-current, over-temperature, short-circuit or UVLO conditions. 4 IN Voltage Input Pin 5 Voltage Output Pin OUT ORDERING INFORMATION Refer to XRP2523s datasheet and/or www.exar.com for exact and up to date ordering information. 2012 Exar Corporation 2/8 Rev. 1.0.0