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STE12PS 数据表(PDF) 34 Page - STMicroelectronics

部件名 STE12PS
功能描述  12 channel integrated PSE line manager
PDF  44 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STE12PS 数据表(HTML) 34 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Electrical specifications and timings
STE12PS
34/44
Tovld
Over load time limit
(Software programmable)
50
65
75
ms
In fault condition for
Tovld, the STE12PS will
disconnect the port. (1)
Tshort
Short-circuit/inrush time limit
(Software programmable)
50
65
75
ms
I
n fault condition for
Tshort, the STE12PS will
disconnect the port.(1)
Ilim
Output load current under short -
circuit condition
400
450
mA
Max. value of port current
during short circuit
condition. Power will be
disconnected from the
port within Tshort
Tinrush
Rise time of Vport time limit
75
ms
Expired Tinrush if the
channel is still in limiting
condition it is considered
in fault
Toff
Turn off time
100
ms
From VPort to 2.8V DC
Ron
Internal MOSFET resistance in
ON mode
1ohms
VsLR
3V range in generator mode
3
3.3
3.6
V
V10 int
10V range internally generated
8.7
V
Digital
Fclk
Clock frequency
6
MHz
VIH
Input HIGH level voltage
2
V
@ VDD = 3.3V
VIL
Input LOW level voltage
0.8
V
@ VDD = 3.3V
IIH
Input High current
30
µA
IIL
Input LOW current
10
µA
1.
See also timer programmability
Table 12.
Electrical characteristics (continued)
Symbol
Parameter
Min.
Typ.
Max.
Units
Notes



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