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參數(shù)資料
| 型號： | MB3821 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 2-ch DC/DC Converter IC With Synchronous Rectifier |
| 中文描述： | 2通道DC / DC轉(zhuǎn)換集成電路整流同步 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MB3821 |
7
MB3821
(Continued)
(V
CC
= 16 V, SEL =0 V, Ta = +25
°
C)
Value
*: Standard design value.
Parameter
Symbol
Pin
No.
Conditions
Unit
Min.
Typ.
Max.
Threshold voltage
V
TH
V
T
/V
T
6,19 FB = 1.6 V
1.235
1.260
1.285
V
V
T
temperature stability
6,19 Ta = –30°C to +85°C
—
0.5*
—
%
Input bias current
I
B
5,20
IN
=
0 V
6,19 DC
–200
–50
—
nA
Voltage gain
A
V
60
100
—
dB
Frequency bandwidth
BW
6,19 A
V
= 0 dB
—
800*
—
kHz
Output voltage
V
OH
6,19
—
V
REF
–
0.3
—
—
V
V
OL
6,19
—
—
0.8
1.0
V
μ
A
mA
Output source current
I
SOURCE
6,19 FB = 1.6 V
—
–90
–45
Output sink current
I
SINK
6,19 FB = 1.6 V
1.5
6.0
—
Threshold voltage
V
TL
8,11
14,17
Duty cycle
=
0 %
1.2
1.3
—
V
V
TH
Duty cycle
=
Dtr
—
1.9
2.0
V
Maximum duty cycle
Dtr
8,11,
14,17
C
T
=
500 pF
R
T
=
10 k
SEL = 0 V
85
90
95
%
SEL = 5 V
89
94
99
%
Output voltage
(Main side)
V
OH
8,17
VS
=
16 V
CB
=
22 V
I
O
=
–30 mA
CB –
1.4
CB –
1.1
—
V
V
OL
8,17
I
O
=
30 mA
—
VS +
1.1
VS +
1.4
V
Output voltage
(Synchronous rectifier side)
V
OH
11,14 I
O
= –30 mA
VB –
1.4
VB –
1.1
—
V
V
OL
11,14 I
O
= 30 mA
—
0.1
0.5
V
Diode voltage
V
DIODE
13
I
O
= 10 mA
—
1.0
1.1
V
CTL input voltage
V
IH
18
IC active mode
2.0
—
—
V
V
IL
18
IC standby mode
—
—
1.0
V
Input current
I
CTL
18
CTL
=
5 V
—
50
80
μ
A
Standby current
I
CCS
23
CTL
=
0 V
SEL
=
0 V
(Normal mode)
SEL
=
5 V
(Low power mode)
—
—
10
μ
A
Power supply current
I
CC
23
—
5.2
7.8
mA
23
—
1.0
1.5
mA
E
D
c
O
(
C
b
G
P
C
b
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| MB3821PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier |
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| MB3825A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3825APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
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