Datasheet SiC450, SiC451, SiC453 (Vishay) - 6
| Fabricante | Vishay |
| Descripción | 4.5 V to 20 V Input, 15 A, 25 A, 40 A microBuck DC/DC Converter With PMBus Interface |
| Páginas / Página | 48 / 6 — SiC450, SiC451, SiC453. FUNCTIONAL BLOCK DIAGRAM. Fig. 4 - Functional … |
| Formato / tamaño de archivo | PDF / 1.3 Mb |
| Idioma del documento | Inglés |
SiC450, SiC451, SiC453. FUNCTIONAL BLOCK DIAGRAM. Fig. 4 - Functional Block Diagram
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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