BD9361GUL Datasheet, PDF (16/27 Pages) Rohm – 6ch Internal Power MOSFET System Switching Regulator + 1ch LDO

BD9361GUL
●Timing chart (1)
SEQ_CTL=H (HX2BAT)
STB1234
Vo1
Vo3
Tss1
Tss3
Tss4
Vo4
Tss2
Vo2
SEQ_CTL=L (GND)
STB1234
Vo1
Vo4
Vo3
Vo2
Tss1
Tss4
Tss3
Tss2
CH5
Serial input
EN5
Vo5
（降圧）
Tss5
SEQ_CTL=H (HX2BAT)
STB1234
Vo2
Disscharge by 100Ω SW
OFF threthold
Vo4
Disscharge by 100Ω SW
OFF threthold
Disscharge by 100Ω SW
Vo3
OFF threthold
Vo1
Disscharge by load current
SEQ_CTL=L (GND)
STB1234
Vo2
Disscharge by 100Ω SW
OFF threthold
Vo3
Disscharge by 100Ω SW
OFF threthold
Disscharge by 100Ω SW
Vo4
OFF threthold
Vo1
Disscharge by load current
Serial input
EN5
Vo5
（降圧）
CH5 OFF
OFF
Disscharge by 100Ω SW
CH6
Serial input
EN6
VO6
ERROR AMP output voltage is clamped during soft start
Serial input
EN6
TDTC
DTC 6( Internal node of IC ）
Error amp output ( Internal node of IC ）
DTC6
Output voltage correspond to duty of input pulse
VO6
OFF
CH6 OFF
Disscharge by load current
Tss1 : typ 3.0msec
Tss3 : typ 2.1msec
Tss5 : typ 4.2msec
Tss2 : typ 4.2msec
Tss4 : typ 2.1msec
TDTC： typ 8.2msec
Fig24.CH1～CH6 Start up and OFF Sequence
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16
TSZ22111・14・001
TSZ02201-0Q2Q0A400010-1-2
2011.12.22 Rev.001