BD9757MWV_10 Datasheet, PDF (10/24 Pages) Rohm – Switching Regulator IC

BD9757MWV
●Timing chart (1)
STB13,
STB2
CH1
CH3
CH2
STB4, STB5
CH4
CH5
Technical Note
Tss1
Tss3
After finished CH1 rise,
other CH start rise.
Tss1 About 3.0msec
Tss2
Tss3 About 2.2msec
Tss2 About 4.4msec
Tss4
When CH1 is already risen,
CH is start up with STB rise.
Tss5
Tss4 About 2.2msec
Tss5 About 4.4msec
Fig.25 CH1 ~ 5 start-up sequence
STB6, STB7
CH6
reverse output
Tss6
Tss6 About4.4msec
CH7
output
Tss7
Tss7 About5.4msec
Fig.26 CH6, 7 start-up sequence
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10/20
2010.11 - Rev.A