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STHS4257L 数据表(PDF) 8 Page - STMicroelectronics

部件名 STHS4257L
功能描述  IEEE 802.3af PoE Powered Device (PD) interface controller with integrated signature resistor
PDF  18 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STHS4257L 数据表(HTML) 8 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Summary description
STHS4257A, STHS4257A1, STHS4257L, STHS4257L1
8/18
Figure 4.
Application circuit overview
1.
STHS4257A1 and STHS4257L1 devices only. To disable signature, tie this pin to GND.
2.
This configuration uses either data wires or spare wires for DC power.
Data to Ethernet Physical Layer Device
100
k
Ω
100µF,
100V
+
0.1µF,
100V
To DC/DC
Converter
Data to Ethernet Physical Layer Device
RCLASS
SMAJ58A
RCLASS
STHS4257A/L
STHS4257A1/L1
VIN
GND
VOUT
AI12203b
2x DF01S
RX
Pair
Spare
Pair
Spare
Pair
RJ-45
TX
Pair
PWRGD
SIGDISA
(1)
C1
C2



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