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NCV1397ADR2G Datasheet(PDF) 4 Page - ON Semiconductor |
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NCV1397ADR2G Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 27 page NCP1397A/B, NCV1397A/B www.onsemi.com 4 Figure 3. Internal Circuit Architecture (NCP1397B) Vref Rt VDD C IDT −− + + DT Adj. I = Imax for Vfb = 5.3 V I = 0 for Vfb < Vfb_min Vref Imin VFB VFB(o ) Vref VDD Imax Vfb = 5 Fmax VDD Itimer1 If FAULT Itimer else 0 − − + Timer + Vref SS(dis) FB RFB −− + + VFB(fault) −− + G = 1 > 0 only V=V (FB) −− VFB(min) IDT Vref VDD + VFB(min) DT Deadtime Adjustment VDD −− + BO + VBO −− + + Vlatch Clk D S Q Q R S Q Q R PON Reset 50% DC Temperature Shutdown PON Reset Fault Timeout Fault Vref BO Reset FF + −− + Vref Skip Skip/ Disable VCC Timeout Fault Fault Mlower GND IBO 20 ns Noise Filter + −− Fault + Vref(fault) NC VBOOT Mupper HB UVLO Level Shifter Fast Fault + −− + Vref(OCP) PON Reset Vtimer OFF Reset Fault PON Reset Enable (if Vfb<0.3V) 20 ms Noise Filter 20 ms Noise Filter 1 ms Noise Filter |
Similar Part No. - NCV1397ADR2G |
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Similar Description - NCV1397ADR2G |
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