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CLT3-4B датащи(PDF) 9 Page - STMicroelectronics |
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CLT3-4B датащи(HTML) 9 Page - STMicroelectronics |
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9 / 13 page ![]() CLT3-4B Application information 9/13 Figure 10. Current sharing in the CLT device when IN4 is biased at - 30 V and the others at + 30 V, RI = 1.8 kΩ Figure 11. TSSOP20 printed circuit board example The input and supply pins are designed to withstand electromagnetic interferences. As shown on the device block diagram, each channel input is protected by a clamping diode that is connected to the common pin COM. Combined with a serial input resistance RI = 1.2 kΩ, this clamping diode implements an effective protection against transient voltage burst (± 4 kV, IEC 61000-4-4) and voltage surge (± 1 kV, IEC 61000-4-5). OPTO N 1.8 k Ω I 1 I 2 =- COM OUT 1 OUT 2 I REG4 V C CLT3 - 4 IN 4 IN N OPTO 4 I REG N V CL= 38 V 1.8 k Ω OPTO N 4.7 k Ω I 1 = + 30 V I 2 = -30 V GND (0 V) Vcc = + 30 V 0.8 mA 3.7 mA 16.2 mA COM OUT 1 OUT 2 I REG4 V C CLT3 - 4 IN 4 IN N OPTO 4 I REG N GND COOLING PAD COMMON PAD COM IN 1 ESD 12 IN 2 OUT 1 OUT 2 OUT 4 OUT 3 COM 34 ESD 34 COM COM IN 3 IN 4 COM 12 V C ESD C COM COM COM MODULE CONNECTOR GND COOLING PAD COMMON PAD COM IN 1 ESD 12 IN 2 OUT 1 OUT 2 OUT 4 OUT 3 COM 34 ESD 34 COM COM IN 3 IN 4 COM 12 V C ESD C COM COM COM COM IN 1 ESD 12 IN 2 OUT 1 OUT 2 OUT 4 OUT 3 COM 34 ESD 34 COM COM IN 3 IN 4 COM 12 V C ESD C COM COM COM MODULE CONNECTOR |
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