BD9757MWV_10 Datasheet, PDF (11/24 Pages) Rohm – Switching Regulator IC

BD9757MWV
Technical Note
●Timing chart (2)
Interval of modulated light setting
UPIC8
LED current
About 5.4msec
Tss8
Soft start is started
according to setting
Tss8 Oscillating frequency=6400counts
about 5.4msec
LED current is adjusted according to the set number of counts
Interval of soft start
It is returned immediately if the set voltage is exceeded
Vo8
Fig.27 CH8 start-up sequence
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11/20
2010.11 - Rev.A