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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PM6670STR 데이터시트(PDF) 18 Page - STMicroelectronics |
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PM6670STR 데이터시트(HTML) 18 Page - STMicroelectronics |
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18 / 53 page  Block diagram PM6670S 18/53 6 Block diagram Figure 27. Functional and block diagram VTTGND VTT LDOIN VTTREF VCC AVCC SGND MODE DDRSEL S3 S5 CSNS HGATE LGATE PHASE BOOT PGND DSCG VREF VSNS VTTSNS VOSC COMP CONTROL LOGIC Zero Crossing & Current Limit PG Vr -10 % Vr +10 % + - + - gm + - Vr + _ VREF R R Level shifter 1.236V Bandgap Vr = 0.9V NTD NTD NTD NTD HIZ HIZ BEN BEN TD TD Ton UVLO SWEN SWEN Vr Anti Cross Conduction Ton min Toff min 1-shot 1-shot 1-shot fix adj DDR3 UVP/OVP Thermal Shutdown VTTGND VTT LDOIN VTTREF VCC AVCC SGND MODE DDRSEL S3 S5 CSNS HGATE LGATE PHASE BOOT PGND DSCG VREF VSNS VTTSNS VOSC COMP CONTROL LOGIC Zero Crossing & Current Limit PG Vr -10 % Vr +10 % + - + - gm + - Vr + _ VREF R R Level shifter 1.236V Bandgap Vr = 0.9V NTD NTD NTD NTD HIZ HIZ BEN BEN TD TD Ton UVLO SWEN SWEN Vr Anti Cross Conduction Ton min Toff min 1-shot 1-shot 1-shot fix adj DDR3 UVP/OVP Thermal Shutdown Table 7. Legend SWEN Switching controller enable TD Tracking discharge enable NTD Non-tracking discharge enable BEN VTTREF buffer enable HIZ LDO high impedance mode enable |
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