Datasheet FL7921R (ON Semiconductor) - 2
| 制造商 | ON Semiconductor |
| 描述 | Integrated Critical-Mode PFC and Quasi-Resonant Current-Mode PWM Lighting Controller |
| 页数 / 页 | 21 / 2 — FL7921R. APPLICATION DIAGRAM. Figure 1. Typical Application. … |
| 文件格式/大小 | PDF / 718 Kb |
| 文件语言 | 英语 |
FL7921R. APPLICATION DIAGRAM. Figure 1. Typical Application. www.onsemi.com
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FL7921R APPLICATION DIAGRAM
BCM Boost PFC Quasi−resonant Flyback NBOOST CCLAMP RCLAMP NP NS VO + QPFC C R INF2 NCZD INV1 CPFC_Vo RG1 − RHV RCS1 RINV2 RCZD RRANGE QPWM 1 RANGE HV 16 2 COMP NC 15 RG2 RCS2 CINF1 R 3 INV ZCD 14 RT CRT CCOMP 4 CSPFC VIN 13 5 CSPWM RT 12 NTC 6 OPFC FB 11 7 VDD DET 10 8 OPWM GND 9 RVIN1 CFB FL7921R VAC RVIN2 CVIN NA RDET1 CDD1 CDD2 RDET2
Figure 1. Typical Application www.onsemi.com 2
BCM Boost PFC Quasi−resonant Flyback NBOOST CCLAMP RCLAMP NP NS VO + QPFC C R INF2 NCZD INV1 CPFC_Vo RG1 − RHV RCS1 RINV2 RCZD RRANGE QPWM 1 RANGE HV 16 2 COMP NC 15 RG2 RCS2 CINF1 R 3 INV ZCD 14 RT CRT CCOMP 4 CSPFC VIN 13 5 CSPWM RT 12 NTC 6 OPFC FB 11 7 VDD DET 10 8 OPWM GND 9 RVIN1 CFB FL7921R VAC RVIN2 CVIN NA RDET1 CDD1 CDD2 RDET2
Figure 1. Typical Application www.onsemi.com 2