參數(shù)資料
型號: STF202-22
廠商: ON SEMICONDUCTOR
英文描述: USB Filter with ESD Protection(帶ESD保護功能的USB濾波器)
中文描述: 濾波器的USB ESD保護(帶靜電放電保護功能的的USB濾波器)
文件頁數(shù): 5/8頁
文件大?。?/td> 54K
代理商: STF202-22
STF202–22
http://onsemi.com
5
The Figure 10 describes in a simplified way what the USB
port components are. As shown in this diagram, there are
signals for upstream and downstream ports which must be
provided with Line Termination and EMI Filtering to meet
the requirements of the USB specification revision 1.1. In
addition to the Line termination and EMI Filtering, it is also
needed to protect the USB I/O Lines against ESD
conditions, so TVS devices must be added for these
purposes.
Figure 10.
XTAL1
XTAL2
DPO
DMO
V
CC
GND
DP1–DP4
DM1–DM4
OC1–OC4
PWR1–PWR4
REGULATOR
POWER
SWITCHING
GND
V
BUS
D–
D+
USB Data Lines
and Power to
Downstream
Ports
To
Upstream
Ports
CLK
CRISTAL
As mentioned before,
the ON Semiconductor STF202
device
provides “upstream termination”, EMI Filtering and
ESD Protection to IEC6100–4–2 in an integrated solution
placed in a small and single package (TSOP–6, Case 318G).
The typical application for the STF202 device is shown in
the Figure 11.
Figure 11.
D1D+
D1D–
OC
OC
PWR
PWR
DOD+
DOD–
REGULATOR
TVS
V
BUS
D+
D–
GND
STF202
6
5
4
1
2
3
D2D+
D2D–
TVS
POWER
SWITCH
V
BUS
D+
D–
GND
DOWNSTREAM
TERMINATION
V
BUS
D+
D–
GND
DOWNSTREAM
TERMINATION
USB CONTROLLER
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相關代理商/技術參數(shù)
參數(shù)描述
STF202-22.TC 制造商:Semtech Corporation 功能描述:EMI Filter Gull Wing SMD
STF202-22.TCT 制造商:Semtech Corporation 功能描述:EMI Filter Gull Wing SMD T/R 制造商:Semtech Corporation 功能描述:TVS Diode 制造商:Semtech Corporation 功能描述:DIODE ARRAY TVS 5.25V
STF202-22.TCT 制造商:Semtech Corporation 功能描述:TVS Diode
STF202-22_04 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:USB Upstream Port Filter and TVS
STF202-22T1 功能描述:電磁干擾濾波器 Upstream USB Port RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03