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參數(shù)資料
| 型號(hào)： | EMIF04-10006 |
| 英文描述： | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 8-SOIC |
| 中文描述： | 4號(hào)線EMI濾波器和ESD保護(hù) |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 159K |
| 代理商： | EMIF04-10006 |
ESD PROTECTION
In addition to its filtering function, the EMIF01-10005W5 is particularly optimized to perform ESD protection.
ESD protection is based on the use of device which clamps at :
VCL = VBR + Rd.IPP
This protection function is splitted in 2 stages. As shown in figure A3, the ESD strikes are clamped by the first stage S1 and
then its remaining overvoltage is applied to the second stage through the resistor R. Such a configuration makes the output
voltage very low at the Vout level.
To have a good approximation of the remaining voltages at both Vin and Vout stages, we provide the typical dynamical
resistance value Rd. By taking into account these following hypothesis : R>>Rd, RG>>Rd and Rload>>Rd, it gives these
formulas:
Vin
=
Rg.Vbr
+Rd.Vg
Rg
Vout
=
R.Vbr
+Rd.Vin
R
The results of the calculation done for VG=8kV, RG=330 (IEC1000-4-2 standard) and VBR=7V (typ.) give:
Vin = 31.2 V
Vout = 7.3 V
This confirms the very low remaining voltage across the device to be protected. It is also important to note that in this
approximation the parasitic inductance effect was not taken into account. This could be few tenths of volts during few ns at
the Vin side. This parasitic effect is not present at the Vout side due the low current involved after the resistance R.
Fig A3 : ESD clamping behavior
ESD
Surge
Vin
Vout
Rload
S1
S2
Rg
R
Rd
Vbr
Vg
Device to be protected
EMIF01-10005W5
Fig A4 : Measurement conditions
TEST BOARD
ESD
SURGE
EMIF01
16kV
Air
Discharge
Vin
Vout
EMIF01-10005W5
4/10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EMIF04-2005 | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 8-SOIC T&R |
| EMIF04-MMC02 | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
| EMIF06-10006 | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 8-SOIC T&R |
| EMIF08-2005 | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
| EMIF10-1K010 | ±15kV ESD Protected, 3.3V, Full Fail-safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers; Temperature Range: -40°C to 85°C; Package: 8-SOIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EMIF04-10006F1 | 功能描述:ESD 抑制器 EMI Filter w/ESD Pro RoHS:否 制造商:STMicroelectronics 通道:8 Channels 擊穿電壓:8 V 電容:45 pF 端接類型:SMD/SMT 封裝 / 箱體:uQFN-16 功率耗散 Pd: 工作溫度范圍:- 40 C to + 85 C |
| EMIF04-10006F2 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 LINES EMI ILTER AND ESD PROTECTION |
| EMIF04-10006XF | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 LINES EMI ILTER AND ESD PROTECTION |
| EMIF04-10006Z2 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 LINES EMI ILTER AND ESD PROTECTION |
| EMIF04-1005M8 | 功能描述:ESD 抑制器 4-Line IPAD Low Cap 900MHz to 1.8G -34dB RoHS:否 制造商:STMicroelectronics 通道:8 Channels 擊穿電壓:8 V 電容:45 pF 端接類型:SMD/SMT 封裝 / 箱體:uQFN-16 功率耗散 Pd: 工作溫度范圍:- 40 C to + 85 C |
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