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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
Sym-
bol
V
T0
Threshold voltage
V
T100
64
Duty cycle
=
100%
−2.6
0.8
−100
80
22
17
−110
100
20
16
−2.0
0.9
35
26
32
25
−1.4
V
Pin No.
(Ta
=
+
25
°C,
VCC
=
9 V, VSS
=
4.4 V, VDD
=
5 V)
Value
Conditions
Unit
Min. Typ. Max.
Duty cycle
=
0%
0.2
0.3
V
PWM Comp.
block(CH8)
64
Output source current I
SOURCE
Output block
(CH1 to CH7)
(Drive-1)
Output sink current
I
SINK
R
OH
Output ON resistor
R
OL
Output block
(CH1, CH2)
(Drive-2)
Output source current I
SOURCE
Output sink current
Output ON resistor
Output block
(CH8) (Drive)
I
SINK
R
OH
R
OL
50, 53, 56, 57, Duty
5%,
60, 61, 62
OUT
=
4.4 V
50, 53, 56, 57, Duty
5%,
60, 61, 62
OUT
=
9 V
50, 53, 56, 57,
OUT
= −15
mA
60, 61, 62
50, 53, 56, 57,
OUT
=
15 mA
60, 61, 62
51, 54
51, 54
51, 54
51, 54
64
Duty
5%,
OUT
=
0 V
Duty
5%,
OUT
=
5 V
OUT
= −15
mA
OUT
=
15 mA
RB
=
24 kΩ,
OUT
=
0.7 V
Duty
5%,
OUT
=
0 V
mA
mA
mA
mA
mA
Output source current I
SOURCE
Output sink current
I
SINK
64
40
100
7
mA
Output block
(CTL-1 to CTL-4)
(CTL)
V
IH
CTL input condition
V
IL
Input current
I
CTL
I
CCS
Standby current
I
CCS (O)
I
DDS
I
CC
Power supply current
I
DD
28, 29, 30, 31 Active mode
28, 29, 30, 31 Standby mode
28, 29, 30, 31 CTL
=
5 V
27
58, 59
52
27, 58, 59
52
CTL-1
=
0 V
CTL-1
=
0 V
CTL-1
=
0 V
CTL-1
=
CTL-2
=
CTL-3
=
CTL-4
=
5 V
CTL-1
=
CTL-2
=
CTL-3
=
CTL-4
=
5 V
1.5
0
13
0.5
200
10
10
10
11
10
V
V
µA
µA
µA
µA
mA
µA
*: Standard design value.
General
13