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參數(shù)資料
| 型號(hào)： | MB3881 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down |
| 中文描述： | 8通道DC / DC變換器的同步整流集成電路的電壓升壓和降壓 |
| 文件頁(yè)數(shù)： | 11/40頁(yè) |
| 文件大?。?/td> | 509K |
| 代理商： | MB3881 |
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MB3881
11
(Continued)
(Ta
=
+
25
°
C, VCC
=
9 V, VSS
=
4.4 V, VDD
=
5 V)
*: Standard design value.
(Continued)
Parameter
Sym-
bol
Pin No.
Conditions
Value
Unit
Min.
Typ.
Max.
Threshold voltage
V
TH
47, 44, 41,
38, 10
FB
=
1.35 V
1.23
1.25
1.27
V
V
T
temperature stability
V
T
/
V
T
47, 44, 41,
38, 10
Ta
=
30
°
C to
+
85
°
C
0.5*
%
Input bias current
I
B
46, 43, 40,
37, 11
IN
=
0 V
(CH1 to CH4, CH7)
+
IN
=
1 V (CH7)
320
60
nA
12
8
10
15
μ
A
Voltage gain
A
V
47, 44, 41,
38, 10
DC
60
100
dB
Frequency bandwidth
B
W
47, 44, 41,
38, 10
A
V
=
0 dB
1.2*
MHz
Output voltage
V
OH
47, 44, 41,
38, 10
2.2
2.4
V
V
OL
47, 44, 41,
38, 10
50
200
mV
Output source current
I
SOURCE
47, 44, 41,
38, 10
FB
=
1.35 V
2.0
1.0
mA
Output sink current
I
SINK
47, 44, 41,
38, 10
20, 21, 14, 15 FB
=
1.35 V
FB
=
1.35 V
70
140
μ
A
Input offset voltage
V
IO
V
T
/
V
T
10
mV
V
T
temperature stability
20, 21, 14, 15 Ta
=
30
°
C to
+
85
°
C
0.5*
%
Input bias current
I
B
22, 16
FB
=
1.35 V
IN
=
0 V
FB
=
1.35 V
260
120
120
40
30
30
nA
21, 15
nA
18
nA
Common mode input
voltage range
V
CM
20, 14
0
V
CC
1.8
V
Voltage gain
A
V
20, 14
DC
A
V
=
0 dB
60
2.2
70
100
200
1.0
dB
Frequency bandwidth
B
W
20, 14
1.2*
MHz
Output voltage
V
OH
20, 14
2.4
V
V
OL
20, 14
50
2.0
140
mV
Output source current
I
SOURCE
20, 14
FB
=
1.35 V
FB
=
1.35 V
mA
μ
A
Output sink current
I
SINK
20, 14
E
(
E
(
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