MB3889 Fujitsu Microelectronics, Inc., MB3889 Datasheet - Page 10

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

10
MB3889
(Continued)
*: Standard design value
14. Control
Block
(CTL, CTL1,
CTL2)
[CTL]
15. General
13. Output
[Drive]
Block
Parameter
Output voltage
(synchronous
rectification
side)
Diode voltage
Dead time
Output ON
condition
Output OFF
condition
Output ON
condition
Output OFF
condition
Input current
Standby
current
Power-supply
current
Symbol
V
V
V
V
V
V
I
I
V
t
t
I
CCS
CTL
OH2
OFF
OFF
CC
OL2
D1
D2
ON
ON
D
19, 27 OUT2
19, 27 OUT2
16, 30 VB 10 mA
29, 27,
29, 27,
17, 19
17, 19
9, 10
9, 10
9, 10 CTL1
Pin
No.
24
24
6
6
6
OUT1
VS
OUT2 :
OUT1
VS
OUT1 :
CTL
CTL
CTL
0 V
0 V
Conditions
5 V
0 V
5 V
CTL2
100 mA
OUT2
OUT2
(VCC
100 mA
OUT1 :
OUT2 :
0 V
12 V, VB
OPEN,
OPEN,
0 mA, VREF
Min
2.5
40
60
2
0
2
0
44
Value
Typ
120
4.1
1.0
0.9
80
50
15
0
35
0 mA, Ta
Max
V
120
180
V
1.4
1.1
0.8
0.8
75
10
23
REF
29
CC
25 C)
Unit
mA
ns
ns
V
V
V
V
V
V
V
A
A
A