Fujitsu MB3887 Datasheet page 11

Dc/dc converter ic for charging li-ion battery
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(Continued)
Parameter
Output source
current
Output sink
current
8.
Output ON
Output block
resistor
[OUT]
Rise time
Fall time
CTL input voltage
9.
Control block
[CTL]
Input current
10.
Bias voltage
Output voltage
block
[VH]
Standby current
11.
General
Power supply cur-
rent
* : Standard design value
(Ta
25 C, VCC
Sym-
Pin
Conditions
bol
No.
OUT 13 V, Duty 5
I
20
SOURCE
(t
1 f
OSC
OUT 19 V, Duty 5
I
20
SINK
(t
1 f
OSC
R
20
OUT
45 mA
OH
R
20
OUT
45 mA
OL
OUT
3300 pF
tr1
20
(Si4435
1)
OUT
3300 pF
tf1
20
(Si4435
1)
V
14
IC Active mode
ON
V
14
IC Standby mode
OFF
I
14
CTL
5 V
CTLH
I
14
CTL
0 V
CTLL
VCC
VCC (O)
V
19
8 V to 25 V,
H
VH
0 to 30 mA
VCC
VCC (O) ,
I
18
CCS
CTL
0 V
VCC
VCC (O) ,
I
18
CC
CTL
5 V
19 V, VCC (O)
Value
Min
Typ
400*
Duty)
400*
Duty)
6.5
5.0
50*
50*
2
0
100
0
V
6.5 V
CC
CC
0
8
MB3887
19 V, VREF
0 mA)
Unit
Max
mA
mA
9.8
7.5
ns
ns
25
V
0.8
V
150
A
1
A
6.0 V
5.5
V
CC
10
A
12
mA
11

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