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MB3881 参数 Datasheet PDF下载

MB3881图片预览
型号: MB3881
PDF下载: 下载PDF文件 查看货源
内容描述: 8通道DC / DC转换器IC,具有同步整流升压和降压 [8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down]
分类和应用: 转换器
文件页数/大小: 40 页 / 488 K
品牌: FUJITSU [ FUJITSU COMPONENT LIMITED. ]
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MB3881
(Continued)
Parameter
Input offset voltage
Input bias current
Common mode input
voltage range
Voltage gain
Frequency bandwidth
Output voltage
Output source current
Output sink current
SCP Comp. block
(CH1 to CH4, SCP)
Sym-
bol
V
IO
I
B
V
CM
A
V
B
W
V
OH
V
OL
I
SOURCE
I
SINK
Pin No.
4, 5
6
5
4
4
4
4
4
4
4
DC
(Ta
=
+
25
°C,
VCC
=
9 V, VSS
=
4.4 V, VDD
=
5 V)
Value
Conditions
Unit
Min.
Typ.
Max.
FB
=
0.55 V
+IN =
0 V
FB
=
0.55 V
−15
−100
−50
0
60
1.1
60
0.97
0.77
−320
0.55
−200
0
−15
−50
FB
=
0.55 V
FB
=
0.55 V
0
−20
−10
75
1.2*
1.3
5
−2.0
140
1.00
0.80
−60
0.60
−40
0
−10
15
V
CC
0.9
200
−1.0
1.03
0.83
0.65
V
CC
1.8
15
mV
nA
nA
V
dB
MHz
V
mV
mA
µA
V
V
nA
V
nA
V
mV
nA
Error amplifier bolck
(CH8)
AV
=
0 dB
50, 53, 56, 57 CH1 to CH4
Threshold voltage
V
TH
62
Input bias current
Input offset voltage
Input bias current
Common mode input
voltage range
Input offset voltage
I
B
V
IO
I
B
V
CM
V
IO
I
B
46, 43, 40,
11, 37
60, 61
23, 17
60, 61
64
7
+IN =
1 V (CH7)
−IN =
0 V
−IN
(C)
=
0 V
FB
=
0.55 V
SCP Comp.
block (CH8 SCP)
SCP Comp. block
(CH5,CH6 SCP)
Input bias current
Common mode input
voltage range
V
CM
64
0
V
CC
0.9
V
PWM Comp. block
(CH1 to CH7)
Threshold voltage
V
T0
V
T100
50
50
Duty cycle
=
0%
Duty cycle
=
100%
0.9
1.0
1.73
1.83
V
V
Input bias current
I
DTC
48, 45, 42, 39, DTC
=
0.4 V
19, 13, 9
(CH1 to CH7)
−1.0
−0.3
µA
*: Standard design value.
(Continued)
12