MB3889 Fujitsu Microelectronics, Inc., MB3889 Datasheet - Page 32

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

32
MB3889
(Continued)
V
V
V
V
CTL
O
CTL
O
1 (V)
4
2
0
5
0
2 (V)
6
4
2
0
5
0
(V)
(V)
0
0
Ta
VIN
CTL1
CTL2
V
Ta
VIN
CTL1
CTL2
V
O
O
1
2
10
10
Soft-start Operating Waveform (CH1)
V
V
V
V
CTL
12 V
O
CTL
1.2
Soft-start Operating Waveform (CH2)
12 V
1.67
O
25 C
1
25 C
2
Open
“L”level
“L”level
Open
20
20
30
30
ts
ts
40
40
39 ms
37 ms
50
50
60
60
70
70
80
80
90
90
(ms)
(ms)
100
100