MB3889 Datasheet, PDF (10/35 Pages) Fujitsu Component Limited. – 2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type

MB3889
(Continued)
Parameter
Output voltage
(synchronous
rectification
side)
Symbol
Pin
No.
(VCC = 12 V, VB = 0 mA, VREF = 0 mA, Ta = + 25 °C)
Conditions
Value
Unit
Min
Typ
Max
VOH2 19, 27 OUT2 = − 100 mA
2.5
4.1

V
VOL2 19, 27 OUT2 = 100 mA

1.0
1.4
V
13. Output ^{Diode voltage VD 16, 30 VB = 10 mA}

Block
[Drive]
Dead time
OUT1 = OUT2 = OPEN,
tD1
29, 27,
17, 19
VS = 0 V
OUT2 :
− OUT1 :
40
OUT1 = OUT2 = OPEN,
tD2
29, 27,
17, 19
VS = 0 V
OUT1 :
− OUT2 :
60
Output ON
condition
VON 9, 10

2
14. Control
Output OFF
condition
VOFF 9, 10

0
Block
(CTL, CTL1,
Output ON
condition
VON
6

2
CTL2)
[CTL]
Output OFF
condition
VOFF
6

0
9, 10 CTL1 = CTL2 = 0 V
− 44
Input current
ICTL
6 CTL = 5 V

Standby
current
ICCS 24 CTL = 0 V

15. General
Power-supply
current
ICC
24 CTL = 5 V

0.9
80
120




− 35
50
0
15
1.1
V
120 ns
180 ns
VREF
V
0.8
V
VCC
V
0.8
V
− 29 µA
75 µA
10 µA
23 mA
*: Standard design value
10