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MV1012SC 数据表(PDF) 4 Page - Shindengen Electric Mfg.Co.Ltd |
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MV1012SC 数据表(HTML) 4 Page - Shindengen Electric Mfg.Co.Ltd |
4 / 33 page MV1012SC 3 5. Dimming characteristics............................................................................................................................................... 19 5.1 Operation in each mode......................................................................................................................................... 20 5.1.1 [A] Frequency modulation region................................................................................................................... 20 5.1.2 [B] Off-time modulation region..................................................................................................................21-22 5.1.3 [C] Oscillation off region ................................................................................................................................ 23 5.2 PWM dimming........................................................................................................................................................ 24 5.2.1 PWM dimming in 100% and Oscillation off regions ....................................................................................... 24 5.2.2 Combination of linear dimming and PWM dimming....................................................................................... 25 5.3 Dimming circuit ...................................................................................................................................................... 26 5.3.1 Example of dimming circuit smoothing PWM signal ...................................................................................... 26 6. Operations in abnormal situations ............................................................................................................................... 27 6.1 LED open-circuit .................................................................................................................................................... 27 6.2 LED short-circuit .................................................................................................................................................... 27 6.3 Abnormal heat buildup ........................................................................................................................................... 28 6.4 CS pin open-circuit................................................................................................................................................. 28 6.5 CS-GND short-circuit ............................................................................................................................................. 28 6.6 Current detection resistor open-circuit ................................................................................................................... 28 6.7 Current detection resistor short-circuit ................................................................................................................... 28 7. Standard circuit example ............................................................................................................................................. 29 7.1 Power supply specification and circuit diagram...................................................................................................... 29 7.2 Power supply characteristics.................................................................................................................................. 30 7.3 Example of operation waveform........................................................................................................................30-31 CAT.No.1A0602-1E |
类似零件编号 - MV1012SC |
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类似说明 - MV1012SC |
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