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PM8800ATR Datasheet(PDF) 10 Page - STMicroelectronics

Part # PM8800ATR
Description  Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller with support of external source
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM8800ATR Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical specifications
PM8800A
10/35
3.2
Electrical characteristic
Table 5.
Electrical characteristics - interface section
(VIN = 48 V, VCC = open, TA = 25 °C unless otherwise specified).
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Detection and classification
Signature enable
VIN rising
1.5 (1)
V
Signature resistance
23.5 (1)
24.5
25.5 (1)
k
Ω
Signature disable
classification turn on
VIN rising
10.5 (1)
11.5
12.5 (1)
V
Classification turn on
hysteresis
1.40
V
Classification turn-off
VIN rising
21.5 (1)
23
24.5 (1)
V
RCLASS voltage during
classification
1.37 (1)
1.4
1.43 (1)
V
Supply current during
classification
VIN inside classification range
1.8
mA
Bias current
IIN
VIN supply current
VIN = 48 V; VCC = 10 V
3
mA
Under Voltage Lock-Out
VUVLO_R
UVLO release
VIN rising
37
38.5
40 (1)
V
VUVLO_F
UVLO lock-out
VIN falling
30 (1)
31.5
33.5
V
UVLO hysteresis
7.0
V
Hot swap MOSFET
RDSON
MOSFET resistance
0.5
1 (1)
Ω
Default in-rush
current limit
VIN > 30 V
120 (1)
140
160 (1)
mA
Default in-rush
current limit
15 V < VIN < 30 V
220 (1)
250
280 (1)
mA
Default in-rush
current limit
1.5 V < VIN < 15 V
390 (1)
440
490 (1)
mA
Adjustable in-rush current
limit
RAUXI_IRL = 82 kΩ
120 (1)
140
160 (1)
mA
Default DC current limit
390 (1)
440
490 (1)
mA
Adjustable DC
current limit precision
RDCLL = From 15.4 kΩ to 82 kΩ
-15 (1)
-+15 (1)
%



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