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SP2525A

Sipex
Part Number SP2525A
Manufacturer Sipex
Description USB High-Side Power Switch
Published May 14, 2010
Detailed Description SP2525A USB High-Side Power Switch FEATURES ■ +3.0V to +5.5V Input Voltage Range ■ 500mA Continuous Load Current per Cha...
Datasheet PDF File SP2525A PDF File

SP2525A
SP2525A

Overview
SP2525A USB High-Side Power Switch FEATURES ■ +3.
0V to +5.
5V Input Voltage Range ■ 500mA Continuous Load Current per Channel ■ 2.
6V Undervoltage Lockout ■ 1.
25A Short Circuit Current Limit ■ 100mΩ Maximum On-Resistance www.
DataSheet4U.
com ■ 75µA On-State Supply Current ■ 1µA Shutdown Current ■ Output can be Forced Higher than Input (Off-State) ■ Thermal Shutdown ■ Slow Turn On and Fast Turn Off EN 1 FLG 2 GND 3 NC 4 8 OUT SP2525A 8 Pin NSOIC 7 IN 6 OUT 5 IN Now Available in Lead Free Packaging ■ Active-High Version: SP2525A-1 ■ Active-Low Version: SP2525A-2 APPLICATIONS ■ USB Power Management ■ Hot Plug-In Power Supplies ■ Battery Charger Circuit DESCRIPTION The SP2525A device is an integrated high-side power switch ideal for self-powered and buspowered Universal Serial Bus (USB) applications.
The high-side switches are MOSFETs with 70mΩ RDS(ON), which meets USB voltage drop requirements for maximum transmission wire length.
Multi-purpose open-drain fault flag output indicates over-current limiting, thermal shutdown, or undervoltage lockout.
Output current is typically limited to 0.
85A below the 5A safety requirement, and the thermal shutdown function shuts the switch off to prevent damage under overcurrent conditions.
Guaranteed minimum output rise time limits inrush current during hot plug-in, minimizing EMI and preventing the voltage at the upstream port from dropping excessively.
TYPICAL APPLICATION CIRCUIT VCC 5.
0V 33µF 10K 4.
50V TO 5.
25V UPSTREAM VBUS 100mA MAX SPX1521 VBUS D+ D+ 1µF Cin GND DATA IN OUT USB CONTROLLER ON/OFF OVERCURRENT + GND 10µF Cout GND 0.
01 µF 33µF, 16V Tantalum, or 100µF, 10V Electrolytic Bold line indicate high-current traces GND NC OUT IN Ferrite Bead EN FLG ® VIN OUT VBUS Ferrite Bead + 33µF 0.
01 µF D+ D- SP2525A IN GND DATA One Port Self Powered Hub Date: 5/3/06 Rev I SP2525A USB High-Side Power Switch © Copyright 2006 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operati...


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