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參數資料
| 型號： | USBDF |
| 英文描述： | EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS |
| 中文描述： | EMI濾波器和線的USB下行端口終止 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 103K |
| 代理商： | USBDF |
1/9
USBDFxxW5
EMI FILTER AND LINE TERMINATION
FOR USB DOWNSTREAM PORTS
May 2000 Ed : 1C
A.S.D.
SOT323-5L
FUNCTIONAL DIAGRAM
TM: ASD and TRANSIL are a trademarks of STMicroelectronics.
EMI Filter and line termination for USB down-
stream ports on:
- Desktop computer
- Notebooks
- Workstations
- USB Hubs
APPLICATIONS
n
Monolithic device with recommended line termi-
nation for USB downstream ports
n
Integrated Rt series termination and Ct bypass-
ing capacitors.
n
Integrated ESD protection
n
Small package size
DESCRIPTION
FEATURES
The
downstream
pull-down resistors from the D+ and D- lines to
ground.
On
the
implementation
systems, the radiated and conducted EMI
should be kept within the required levels as
stated by the FCC regulations. In addition to
the requirements of termination and EMC
compatibility,
the
computing
required to be tested for ESD susceptibility.
The USBDFxxW5 provides the recommended line
termination while implementing a low pass filter to
limit EMI levels and providing ESD protection
which exceeds IEC 61000-4-2 level 4 standard.
The device is packaged in a SOT323-5L which is
the smallest available lead frame package (50%
smaller than the standard SOT23).
USB
specification
ports
requires
terminated
USB
with
to
be
of
USB
devices
are
n
EMI / RFI noise suppression
n
Required line termination for USB downstream
ports
n
ESDprotectionexceedingIEC61000-4-2level4
n
High flexibility in the design of high density
boards
n
Tailored to meet USB 1.1 standard
BENEFITS
D+ In
D- In
Gnd
D+ Out
D- Out
Rt
Rd
Ct
Rt
Ct
Rd
Rt
Rd
Ct
Code 01
33
15k
47pF
Code 02
15
15k
47pF
Tolerance
±10%
±10%
±20%
相關PDF資料 |
PDF描述 |
|---|---|
| USBDF01W5 | EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS |
| USBDF02W5 | EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS |
| USBLC6-2 | VERY LOW CAPACITANCE ESD PROTECTION |
| USBLC6-2P6 | VERY LOW CAPACITANCE ESD PROTECTION |
| USBLC6-2SC6 | VERY LOW CAPACITANCE ESD PROTECTION |
相關代理商/技術參數 |
參數描述 |
|---|---|
| USBDF01W5 | 功能描述:電磁干擾濾波器 EMI Filter/Line Term 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 |
| USBDF01W6 | 制造商:STMicroelectronics 功能描述: |
| USBDF02W5 | 功能描述:電磁干擾濾波器 EMI Filter/Line Term 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 |
| USBDFXXW5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS |
| USBDFXXW5_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:EMI filter and line termination for USB downstream ports |
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