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參數(shù)資料
| 型號： | STHS4257L1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| 中文描述： | IEEE 802.3af標(biāo)準(zhǔn)的PoE供電設(shè)備（PD）接口控制器，它集成簽名電阻（集成識別電阻的IEEE802.3af標(biāo)準(zhǔn)PoE電源接口控制器） |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 173K |
| 代理商： | STHS4257L1 |
Summary description
STHS4257A, STHS4257A1, STHS4257L, STHS4257L1
8/18
Figure 4.
Application circuit overview
1.
2.
STHS4257A1 and STHS4257L1 devices only. To disable signature, tie this pin to GND.
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STHS4257A | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| STHS4257A1 | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| STHS4257L | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
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