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PDF SP2525-2EN Data sheet ( Hoja de datos )
| Número de pieza | SP2525-2EN | |
| Descripción | +3.0V to +5.5V USB Power Control Switch | |
| Fabricantes | Sipex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SP2525-2EN (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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® SP2525
+3.0V to +5.5V USB Power Control Switch
s Compliant to USB Specifications
s +3.0V to +5.5V Input Voltage Range
s Open Drain Error Flag Output
s 2.7V Undervoltage Lockout
s 500mA Minimum Continuous Load
Current
s 1.25A Short Circuit Current Limit
s 140mΩ Maximum On-Resistance
s 80µA On-State Supply Current
s 1µA Shutdown Current
s Thermal Shutdown
s 1ms Soft-Start Power Up
s Active-High Version: SP2525-1
s Active-Low Version: SP2525-2
DESCRIPTION
The SP2525 device is a single +3.0V to +5.5V USB Supervisory Power Control Switch ideal
for self-powered and bus-powered Universal Serial Bus (USB) applications. The SP2525
device has low on-resistance (80mΩ typical) and can supply 500mA minimum. The fault
currents are limited to 2.0A typical and the flag output pin is available to indicate fault
conditions to the USB controller. The 1ms soft start of the SP2525 device will eliminate any
momentary voltage drop on the upstream port that may occur when the switch is enabled in
bus-powered applications. The thermal shutdown feature will prevent permanent damage to
the SP2525 device when subjected to excessive current loads. The under voltage lockout feature
will ensure that the SP2525 device will remain off unless there is a valid input voltage present.
Rev. 8/21/01
EN 1
FLG 2
GND 3
NC 4
SP2525
8 OUT
7 IN
6 OUT
5 NC
SP2525 +3.0 to +5.5 Power Control Switch
1
© Copyright 2001 Sipex Corporation
1 page  
IN
R1
100k
P1
EN
1 EN
OUT 8
2 SP2525 IN 7
FLG
3 GND
OUT 6
4 NC
NC 5
AGND
Figure 1. Test Circuit for the SP2525
2 C1
1 0.1µF
AGND
Ferrite Bead
2
CL
1
Ferrite Bead
RL
AGND
AGND AGND
Rev. 8/21/01
SP2525 +3.0 to +5.5 Power Control Switch
5
© Copyright 2001 Sipex Corporation
5 Page 
PERFORMANCE CHARACTERISTICS
VIN = +5.0V, single MOSFET switch section, and TAMB = +25OC unless otherwise noted.
100 Output On-Resistance vs. Supply Voltage
96
92
88
84
80
2.5
3 3.5 4
4.5 5 5.5
6
Supply Voltage (V)
Figure 8. Output On-Resistance vs. Supply Voltage
Output On-Resistance vs. Temperature
120
110 Vcc=5V
100
90
80
70
60
-40
-20
0 20 40 60
Temperature (°C)
80 100
Figure 9. Output On-Resistance vs. Temperature
2.88
2.86
2.84
2.82
2.8
2.78
2.76
2.74
2.72
2.7
2.68
-40
UVLO Threshold Voltage
vs. Temperature
Rising
Falling
-20 0 20 40 60
Temperature (°C)
80 100
Figure 10. Undervoltage Threshold Voltage vs.
Temperature
2.3 Enable Threshold Voltage vs. Supply Voltage
2.1
1.9 Enable Voltage Rising
1.7
1.5
Enable Voltage Falling
1.3
1.1
0.9
2.5
3 3.5 4 4.5
Supply Voltage (V)
5
Figure 11. Control Threshold vs. Supply Voltage
Rev. 8/21/01
SP2525 +3.0 to +5.5 Power Control Switch
11
© Copyright 2001 Sipex Corporation
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet SP2525-2EN.PDF ] | |
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