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FNB43060T2 Datasheet(PDF) 11 Page - Fairchild Semiconductor |
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FNB43060T2 Datasheet(HTML) 11 Page - Fairchild Semiconductor |
11 / 15 page ©2016 Fairchild Semiconductor Corporation 11 www.fairchildsemi.com FNB43060T2 Rev.1.1 Time Charts of Protective Function Figure 11. Under-Voltage Protection (Low-Side) a1 : Control supply voltage rises: After the voltage rises UVDDR, the circuits start to operate when next input is applied. a2 : Normal operation: IGBT ON and carrying current. a3 : Under voltage detection (UVDDD). a4 : IGBT OFF in spite of control input condition. a5 : Fault output operation starts with a fixed pulse width. a6 : Under voltage reset (UVDDR). a7 : Normal operation: IGBT ON and carrying current by triggering next signal from LOW to HIGH. Figure 12. Under-Voltage Protection (High-Side) b1 : Control supply voltage rises: After the voltage reaches UVBSR, the circuits start to operate when next input is applied. b2 : Normal operation: IGBT ON and carrying current. b3 : Under voltage detection (UVBSD). b4 : IGBT OFF in spite of control input condition, but there is no fault output signal. b5 : Under voltage reset (UVBSR). b6 : Normal operation: IGBT ON and carrying current by triggering next signal from LOW to HIGH. Input Signal Output Current Fault Output Signal Control Supply Voltage RESET UVDDR Protection Circuit State SET RESET UVDDD a1 a3 a2 a4 a6 a5 a7 Input Signal Output Current Fault Output Signal Control Supply Voltage RESET UV BSR Protection Circuit State SET RESET UV BSD b1 b3 b2 b4 b6 b5 High-level (no fault output) |
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