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NCP5393AMNR2G Datasheet(PDF) 3 Page - ON Semiconductor |
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NCP5393AMNR2G Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 24 page NCP5393A http://onsemi.com 3 Figure 2. NCP5393A Block Diagram VCCA + − 5V UVLO 4.25V/4.05V PVI/SVI HYBRID INTERFACE + − VS− VS+ DIFFOUT + − FB COMP 1.3 V Diff Amp Error Amp VDD Oscillator ILIM ENABLE + − ILIMIT_VDD VDD REGULATOR Fault Logic 3−Phase Detection and Monitor Circuits + + CS1 CS1N CS2 CS2N CS3 CS3N + − Gain = 6 + − Gain = 6 + − Gain = 6 + Droop Amplifier + − Gain = 6 CS4 CS4N + G4 VDD_DAC VS+ OVP DRVON GND VID0 VID1 VID2/SVD VID3/SVC VID4 VID5 12VMON + − 12V UVLO 8.5V/7.5V 1.3 V DROOP PWROK NB_OFFSET OFFSET VDD_DAC OUT ILIMIT_NB = ILIMIT_VDD/N (N = VDD phase count) FLAG PWRGOOD Gain = 1 ROSC + − PWM4 + − PMW3 + − PWM1 + − PWM2 G1 G2 G3 + − NB_VS+ NB_VS− NB_DIFFOUT + − NB_FB NB_COMP 1.3 V Diff Amp Error Amp NB Oscillator + NB_CS NB_CSN + − Gain = 6 Droop Amplifier OVP FAULT 1.3 V NB_DROOP Gain = 1 − PWM_NB PSI_L NB_DRVON + − ILIMIT_NB NB REGULATOR Fault Logic and Monitor Circuits NB_G NB_DAC OUT fNB = 1.27 x fVDD VDD Slew Rate Limit NB Slew Rate Limit + + VDD_SRL OUT NB_SRL OUT VDD_SRL NB_DAC NB_VS+ NB_VS− NB_SRL X X VDD OFFSET SCALING NB OFFSET SCALING NORMAL OPERATION BOOT_VID & VFIX MODES NORMAL OPERATION BOOT_VID & VFIX MODES VDD NB NCP5393A MID MID MID HI−Z HI−Z HI−Z HI−Z VDD PSI_L VDD PSI_L HI−Z MID SHED + VS− MID + + VCCB |
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