MB3889 Datasheet, PDF (31/35 Pages) Fujitsu Component Limited. – 2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type

MB3889
VS2 (V)
3
VS2 (V)
12
10
8
6
4
2
0
Switching Waveform (CH2)
Ta = + 25 °C
VIN = 12 V
CTL = 5 V
CTL1 = “L”level
CTL2 = Open
VO1 = 3 A
0 1 2 3 4 5 6 7 8 9 10
t (µs)
Expansion
Expansion
VS2 (V)
3
2
2
1
1
0
0
0 40 80 120 160 200 240 280 320 360 400
t (ns)
tD2 148 ns
0 40 80 120 160 200 240 280 320 360 400
t (ns)
tD1 88 ns
(Continued)
31