MB3889 Datasheet, PDF (32/35 Pages) Fujitsu Component Limited. – 2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type

MB3889
(Continued)
Soft-start Operating Waveform (CH1)
VO1 (V)
4
Ta = + 25 °C
VIN = 12 V
CTL1 = Open
CTL2 = “L”level
VO1 = 1.2 Ω
2
VO1
0
ts 39 ms
VCTL (V)
5
0
VCTL
0 10 20 30 40 50 60 70 80 90 100
(ms)
Soft-start Operating Waveform (CH2)
VO2 (V)
6
4
Ta = + 25 °C
VIN = 12 V
CTL1 = “L”level
CTL2 = Open
VO2 = 1.67 Ω
2
VO2
0
VCTL (V)
5
0
VCTL
ts 37 ms
0 10 20 30 40 50 60 70 80 90 100
(ms)
32