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TPD2S017DBVR Arkusz danych(PDF) 6 Page - Texas Instruments |
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TPD2S017DBVR Arkusz danych(HTML) 6 Page - Texas Instruments |
6 / 16 page Vcc (optional) Ch1_In Ch1_Out Ch2_In Ch2_Out TPD2S017 TPD2S017 SLLS949B – SEPTEMBER 2009 – REVISED DECEMBER 2015 www.ti.com 7 Detailed Description 7.1 Overview The TPD2S017 is a two-channel ESD protection device. The two-stage ESD diodes and 1- Ω isolation resistor topology of the device gives the system very robust and good protection during ESD strikes. The TPD2S017 conforms to the IEC61000-4-2 ESD protection standard. The TPD2S017 provides a –3-dB frequency at almost 3 GHz which provides enough bandwidth for a vast majority of applications. Thanks to the monolithic silicon technology, the tight matching of the line capacitances and series resistances ensures a minimum distorted differential signal and a high operating differential data rate. The DBV package offers a flow-through pin mapping for ease of board layout. 7.2 Functional Block Diagram 7.3 Feature Description Each channel of the TPD2S017 device has a topology of two-stage clamps with isolation resistor. This topology optimizes the clamping performance while supporting a high bandwidth. Due to the low clamping voltage, the down stream circuits that connect to the output of the channels are well-protected. The high IEC 61000-4-2 level ensures the system's robustness during the ESD events. The good matching of the resistor and capacitance values will yield minimal distortion of the signals. The low resistance and capacitance values make sure that this device supports a high differential data rate. The flow-through pinout ensures no additional layout burden on the printed circuit board (PCB). 7.4 Device Functional Modes The TPD2S017 device stays passive and has low leakage during normal operation when the voltage at the input of each channel is from 0 V to VCC and activates when that voltage exceeds one forward diode drop above VCC or below ground. During IEC ESD events, contact transient voltages as high as ±11 kV can be suppressed. When the voltages on the protected lines fall below the trigger voltage, the device reverts back to the low leakage passive state. 6 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated Product Folder Links: TPD2S017 |
Podobny numer części - TPD2S017DBVR |
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Podobny opis - TPD2S017DBVR |
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