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参数资料
| 型号： | STF202-22 |
| 厂商： | ON SEMICONDUCTOR |
| 英文描述： | USB Filter with ESD Protection(带ESD保护功能的USB滤波器) |
| 中文描述： | 滤波器的USB ESD保护（带静电放电保护功能的的USB滤波器） |
| 文件页数： | 5/8页 |
| 文件大小： | 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 制造商全称:Semtech Corporation 功能描述:USB Upstream Port Filter and TVS |
| STF202-22T1 | 功能描述:电磁干扰滤波器 Upstream USB Port RoHS:否 制造商:STMicroelectronics 电容:12 pF 电路类型: 最大直流电流: 最大直流电阻: 电压额定值:6 V 容差: 端接类型:SMD/SMT 工作温度范围:- 30 C to + 85 C 系列:EMIF03 |
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