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PM8805 датащи(PDF) 17 Page - STMicroelectronics

номер детали PM8805
подробное описание детали  IEEE 802.3bt PoE-PD interface with embedded dual active bridge
PDF  48 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM8805 датащи(HTML) 17 Page - STMicroelectronics

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DS12813 Rev 2
17/48
PM8805
Electrical specifications
48
Iinrush_high
Inrush current high value
Sourced by VOUT when VOB-
VOUT=7V
95
125
155
mA
Iinrush_ave
Average inrush current
VOUT=0V to 57V
75
mA
Inrush_delay
Iinrush startup delay
From UVLO release
1
ms
Iload_inrush
Load current capability during
inrush
VOUT=0V to VOB, PGD=0
10
mA
VDS good
PGD assertion condition
VOB - VOUT (VOUT rising)
0.5
0.7
V
VDS good delay
PGD assertion delay
VOB - VOUT (VOUT rising)
0.4
ms
VGS good
PGD assertion condition
CTRL - VOUT (CTRL rising)
36
V
VDS fail
PGD de-assertion condition
VOB - VOUT (VOUT falling)
12
18V
VDS fail delay
PGD de-assertion delay
VOB - VOUT (VOUT falling)
hot swap open
0.4
ms
VDS fail delay
PGD de-assertion delay
VOB - VOUT (VOUT falling)
hot swap closed
10
15
us
Idc_OC1
VOUT OC1 protection
VOUT>3V
2.0
3.0
A
Td_OC1
OC1 PGD de-assertion delay
OC1 PGD de-assertion delay
0.9
1
1.1
ms
Idc_OC2
VOUT OC2 protection
4.0
6.0
A
Td_OC2
OC2 PGD de-assertion delay
OC2 PGD de-assertion delay
10
15
us
Tretry
After PGD de-assertion
9
10
11
ms
STBY, FAUX, RAUX signals
FAUX_thr,
RAUX_thr,
STBY_thr
Threshold
Signal rising, measured between
VOB and AGND
1.20
1.25
1.30
V
FAUX_hyst,
RAUX_hyst,
STBY_hyst
Hysteresis
Signal falling, measured between
VOB and AGND
250
mV
RAUX_del
RAUX delay rising
From RAUX = 1 to
device acceptance
3.3
ms
RAUX_del
RAUX delay falling
From RAUX = 0 to
device acceptance
65
us
FAUX_del
FAUX delay
From FAUX = 1 to
device acceptance
1ms
RAUX_res
RAUX input resistance
Measured from pin to AGND
250
400
kΩ
RAUX_det_thr
Threshold in detection range
VDD=VOB=9V
1.0
2.0
V
Sleep/Wkup_del
Sleep/Wkup delay
Input setup to sleep/wakeup delay
3.3
ms
Shdn_del
Shutdown delay
Input setup to shutdown delay
3.3
ms
Table 6. Electrical characteristics (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max. Unit



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