MB3889 Fujitsu Microelectronics, Inc., MB3889 Datasheet - Page 31

• Manufacturer Part Number: MB3889
• Description: 2-channel Dc/dc Converter Ic With Overcurrent Protection Symmetrical-phase Type
• Manufacturer: Fujitsu Microelectronics, Inc.

V
S2
(V)
3
2
1
0
0
40 80 120 160 200 240 280 320 360 400
V
S2
12
10
(V)
8
6
4
2
0
Expansion
0
t
D2
1
Switching Waveform (CH2)
148 ns
2
3
t (ns)
4
V
5
S2
(V)
3
2
1
0
6
0
7
40 80 120 160 200 240 280 320 360 400
8
Expansion
9
t
D1
t ( s)
10
88 ns
Ta
VIN
CTL
CTL1
CTL2
V
O
1
12 V
5 V
3 A
25 C
“
Open
L
”
level
t (ns)
MB3889
(Continued)
31