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PDF SP2525A Data sheet ( Hoja de datos )
| Número de pieza | SP2525A | |
| Descripción | Single Channel USB Power Distribution Switch | |
| Fabricantes | Exar | |
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Hay una vista previa y un enlace de descarga de SP2525A (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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November 2011
SP2525A
Single Channel USB Power Distribution Switch
Rev. 2.1.0
GENERAL DESCRIPTION
The SP2525A device is an integrated high-side
power switch ideal for self-powered and bus-
powered 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 under voltage 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.
The SP2525A is offered in a RoHS compliant
“green”/halogen free 8-pin NSOIC package.
APPLICATIONS
Self Powered USB 2.0 and 3.0 Hubs
USB Compliant VBUS Power Distribution
Audio-Video Equipments
Generic Power Switching
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
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
Active-high Version: SP2525A-1
Active-low Version: SP2525A-2
RoHS Compliant, Green/Halogen Free
8-Pin NSOIC Package
TYPICAL APPLICATION DIAGRAM
Fig. 1: SP2525A Application Diagram – Single Port Self Powered Hub
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
1 page  
SP2525A
Single Channel USB Power Distribution Switch
TYPICAL PERFORMANCE CHARACTERISTICS
All data taken at VIN = 5.0V, TA = 25°C, unless otherwise specified - Schematic and BOM from Application Information
section of this datasheet.
Fig. 4: Output On-Resistance vs Supply Voltage
Fig. 5: Output On-Resistance vs Temperature
Fig. 6: UVLO Threshold vs Temperature
Fig. 7: On-state Supply Current vs Supply Voltage
Fig. 8: On-state Supply Current vs Temperature
Fig. 9: Off-state Supply Current vs Supply Voltage
© 2011 Exar Corporation
5/10
Rev. 2.1.0
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SP2525A.PDF ] | |
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