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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)： | 10/40頁(yè) |
| 文件大?。?/td> | 509K |
| 代理商： | MB3881 |
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MB3881
10
I
ELECTRICAL CHARACTERISTICS
(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.
Reference voltage
V
REF
V
REF
/
V
REF
24
2.475
2.5
2.525
V
Output voltage
temperature stability
24
Ta
=
30
°
C to
+
85
°
C
0.5*
%
Input stability
Line
24
VCC
=
4 V to 13 V
VREF
=
0 mA to
1 mA
10
10
10
mV
Load stability
Load
24
10
mV
Short-circuit output
current
Ios
24
VREF
=
2 V
20
5
1
mA
Threshold voltage
V
TH
50
VCC
=
2.6
2.8
3.0
V
Hysteresis width
V
H
50
0.2
V
Reset voltage
V
RST
50
VCC
=
1.20
1.30
1.40
V
Threshold voltage
V
TH
64
VCC
=
1.25
1.45
1.65
V
Input standby voltage
V
STB
32
50
100
mV
Charge current
I
CS
32
1.4
1.0
0.6
μ
A
Threshold voltage
V
TH
26
0.65
1.4
0.70
0.75
V
Input standby voltage
V
STB
26
50
100
mV
Input latch voltage
V
I
26
50
1.0
100
0.6
mV
μ
A
Input source current
I
CSCP
26
Oscillator frequency
f
OSC
50, 53, 56, 57, 60,
61, 62, 64, 51, 54
CT
=
100 pF, RT
=
11 k
VB
=
2 V
450
500
550
kHz
Frequency stability
for voltage
f/fdv
50, 53, 56, 57, 60,
61, 62, 64, 51, 54VCC
=
4 V to 13 V
1
10
%
Frequency stability
for temperature
f/fdt
50, 53, 56, 57, 60,
61, 62, 64, 51, 54Ta
=
30
°
C to
+
85
°
C
1*
%
Output voltage
V
B
36
1.980 2.000 2.020
0
50
V
SYNC input condition
V
IH
50
Input “H” level
2.0
0.8
V
V
IL
50
Input “L” level
SYNC
=
5 V
V
μ
A
Input current
I
SYNC
35
100
R
v
b
U
l
c
C
C
S
b
(
S
d
(
T
w
b
(
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|---|---|
| MB3881PFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down |
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| MB3882PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-channel DC/DC Converter IC with Synchronous Rectifier |
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