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MB3887 데이터 시트보기 (PDF) - Fujitsu
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MB3887
DC/DC Converter IC for Charging Li-ion battery
Fujitsu
MB3887 Datasheet PDF : 34 Pages
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MB3887
(Continued)
(Ta
= +
25
°
C, VCC
=
19 V, VCC (O)
=
19 V, VREF
=
0 mA)
Parameter
Sym- Pin
bol No.
Conditions
Value
Unit
Min
Typ
Max
Output source
current
I
SOURCE
20
OUT
=
13 V, Duty
≤
5
%
(t
=
1
/
f
OSC
×
Duty)
⎯
−
400*
⎯
mA
8.
Output block
[OUT]
Output sink
current
Output ON
resistor
Rise time
I
SINK
20
OUT
=
19 V, Duty
≤
5
%
(t
=
1
/
f
OSC
×
Duty)
⎯
R
OH
20 OUT
= −
45 mA
⎯
R
OL
20 OUT
=
45 mA
⎯
tr1
20
OUT
=
3300 pF
(Si4435
×
1)
⎯
400*
6.5
5.0
50*
⎯
mA
9.8
Ω
7.5
Ω
⎯
ns
Fall time
tf1
20
OUT
=
3300 pF
(Si4435
×
1)
⎯
50*
⎯
ns
9.
Power supply
control block
[CTL]
CTL input voltage
Input current
V
ON
V
OFF
I
CTLH
I
CTLL
14 IC Active mode
14 IC Standby mode
14 CTL
=
5 V
14 CTL
=
0 V
2
⎯
25
V
0
⎯
0.8
V
⎯
100
150
µ
A
⎯
0
1
µ
A
10.
Bias voltage
block
[VH]
Output voltage
VCC
=
VCC (O)
V
H
19
=
8 V to 25 V,
VH
=
0 to 30 mA
V
CC
−
6.5 V
CC
−
6.0 V
CC
−
5.5 V
11.
General
Standby current
I
CCS
Power supply cur-
rent
I
CC
18
VCC
=
VCC (O) ,
CTL
=
0 V
18
VCC
=
VCC (O) ,
CTL
=
5 V
⎯
0
10
µ
A
⎯
8
12 mA
* : Standard design value
10
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