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MV1012SC 数据表(PDF) 4 Page - Shindengen Electric Mfg.Co.Ltd

部件名 MV1012SC
功能描述  LED driver IC
Download  33 Pages
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制造商  SHINDENGEN [Shindengen Electric Mfg.Co.Ltd]
网页  http://www.shindengen.co.jp/
标志 SHINDENGEN - Shindengen Electric Mfg.Co.Ltd

MV1012SC 数据表(HTML) 4 Page - Shindengen Electric Mfg.Co.Ltd

  MV1012SC Datasheet HTML 1Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 2Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 3Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 4Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 5Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 6Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 7Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 8Page - Shindengen Electric Mfg.Co.Ltd MV1012SC Datasheet HTML 9Page - Shindengen Electric Mfg.Co.Ltd Next Button
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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


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