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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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L6566B Arkusz danych(PDF) 45 Page - STMicroelectronics |
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L6566B Arkusz danych(HTML) 45 Page - STMicroelectronics |
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45 / 51 page  L6566B Application examples and ideas 45/51 Figure 30. Typical full-feature application schematic (FF operation) IC1 L6566B Vout B1 C1 R4 C3 Q1 R2 D2 1N4148 R18 D1 C7 2.2 nF Y1 C8A,B T1 ZCD GD CS Vcc DIS GND VFF COMP D4 IC3 PC817A R3 D3 1N4148 3 4 C6 R5 C2 Vin 88 to 264 Vac F1 fuse CX1 CX2 CY1 CY2 NTC1 Lx SS C5 VREF MODE/SC C4 R6 HVS OSC AC_OK R1 FMOD C10 R11 R12 R13 R14 R15 R16 R17 R8 C9 R9 R10 1 2 TL431 R7 NTC2 4 7 3 5 11 6 8 9 14 13 16 10 12 1 15 Table 8. External circuits that determine IC behavior upon OVP and OCP OVP Latched OVP Auto-restart OCP Latched OCP Auto-restart L6566B AC_OK 16 RH VFF 15 RL1 RL2 RFF RFF ≈ 10 RL2 SS VREF 14 10 L6566B AC_OK 16 RH VFF 15 RL1 RL2 Diode needed if 4 6 R R 1 R 10 3 1 3 3 2 L 1 L 1 L 3 . . . ≥ + ⋅ + − SS VREF 14 10 L6566B AC_OK 16 RH VFF 15 RL1 RL2 RFF SS VREF 14 10 1N4148 L6566B AC_OK 16 RH VFF 15 RL1 RL2 SS VREF 14 10 1N4148 Diode needed if 4 6 R R 1 R 10 3 1 3 3 2 L 1 L 1 L 3 . . . ≥ + ⋅ + − |
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