參數(shù)資料
型號(hào): STHS4257L1
廠(chǎng)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(shí)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(shí)別電阻的IEEE802.3af標(biāo)準(zhǔn)PoE電源接口控制器)
文件頁(yè)數(shù): 9/18頁(yè)
文件大?。?/td> 173K
代理商: STHS4257L1
STHS4257A, STHS4257A1, STHS4257L, STHS4257L1
Summary description
9/18
Figure 5.
Block diagram (STHS4257A/L)
Figure 6.
Typical application circuit (STHS4257A/L) with a DC/DC converter
RS
ref
25k
Signature
Resistor
Power Good
Input
Current
Limit
Classification
Current Source
Control
Circuits
+
+
EN
EN
VIN
GND
AI12206c
PWRGD
1
2
3
4
8
7
6
5
ref
NC
NC
RCLASS
NC
VOUT
Power
MOSFET
100
k
Ω
5μF
(min)
100V
0.1μF
100V
SMAJ58A
RCLASS
VIN
48V from
power sourcing
equipment (PSE)
AI12207a
RCLASS
SHDN
~
~
+
+
+
3V
to logic
STHS4257A/L
Powered Device (PD)
Switching
Power
Supply
Diode
Bridge
VIN
DF01S
GND
VOUT
RTN
PWRGD
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(shí)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(shí)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(shí)別電阻的IEEE802.3af PoE PD 接口控制器)
STi4600 6 Channel Dolby AC-3 MPEG1/2 Audio Decoder(六通道音頻解碼器)
STI4600 6 CHANNEL DOLBY AC-3 MPEG1/2 AUDIO DECODER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STHT20138 制造商:Dewalt 功能描述:12" Solid Frame Hacksaw 制造商:DEWALT 功能描述:HIGH TENSION HACKSAW SOLID FRAME
STHT71850 制造商:Stanley 功能描述:Three Piece High Visibility Pliers Set
STHT77403 制造商:Black & Decker 功能描述:Stud Sensor 100&trade,
STHT77404 制造商:Black & Decker 功能描述:Stud Sensor 150&trade,
STHT77406 制造商:Black & Decker 功能描述:Stud Sensor 200&trade,