Datasheet SiC450, SiC451, SiC453 (Vishay) - 6
| Manufacturer | Vishay |
| Description | 4.5 V to 20 V Input, 15 A, 25 A, 40 A microBuck DC/DC Converter With PMBus Interface |
| Pages / Page | 48 / 6 — SiC450, SiC451, SiC453. FUNCTIONAL BLOCK DIAGRAM. Fig. 4 - Functional … |
| File Format / Size | PDF / 1.3 Mb |
| Document Language | English |
SiC450, SiC451, SiC453. FUNCTIONAL BLOCK DIAGRAM. Fig. 4 - Functional Block Diagram
Model Line for this Datasheet
Text Version of Document
SiC450, SiC451, SiC453
www.vishay.com Vishay Siliconix
FUNCTIONAL BLOCK DIAGRAM
VIN EN PV UVLO PV CC Linear regulator IN VDD VDD PVCC UVLO SW PFD Charge RT / SYNC pump BOOT Ramp generator VSEN+ PWM tON Differential comparator High side amplifier generator PH VSEN- OTA driver Rcomp SW Minimum t C OFF comp Cp Control Reference logic generator PVCC Bandgap and DAC VSET VSET ADC Low side ADDR ADC driver PEC/BUS Command management registers SALRT PMBus interface SCLK 1K NVM Over SDA current PGND Fault protection management Monitoring Zero AGND compensation PGOOD crossing Monitoring P / P circuit IN OUT detector sense calculation ADC circuits PGOOD
Fig. 4 - Functional Block Diagram
S21-0213-Rev. B, 08-Mar-2021
6
Document Number: 77863 For technical questions, contact: powerictechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com Vishay Siliconix
FUNCTIONAL BLOCK DIAGRAM
VIN EN PV UVLO PV CC Linear regulator IN VDD VDD PVCC UVLO SW PFD Charge RT / SYNC pump BOOT Ramp generator VSEN+ PWM tON Differential comparator High side amplifier generator PH VSEN- OTA driver Rcomp SW Minimum t C OFF comp Cp Control Reference logic generator PVCC Bandgap and DAC VSET VSET ADC Low side ADDR ADC driver PEC/BUS Command management registers SALRT PMBus interface SCLK 1K NVM Over SDA current PGND Fault protection management Monitoring Zero AGND compensation PGOOD crossing Monitoring P / P circuit IN OUT detector sense calculation ADC circuits PGOOD
Fig. 4 - Functional Block Diagram
S21-0213-Rev. B, 08-Mar-2021
6
Document Number: 77863 For technical questions, contact: powerictechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
