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參數(shù)資料
| 型號(hào)： | PQ30VB11 |
| 廠商： | Sharp Corporation |
| 英文描述： | Variable Output Low Power-Loss Voltage Regulator(Built-in Overheat Shut-Down Function) |
| 中文描述： | 可變輸出低功率損耗的穩(wěn)壓器（內(nèi)置過熱關(guān)機(jī)功能） |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 35K |
| 代理商： | PQ30VB11 |
PQ30VB11
Low Power-Loss Voltage Regulators
Parameter
Symbol
V
IN
V
O
R
eg
L
R
eg
I
RR
V
ref
T
e
V
ref
V
i
-
O
I
q
T
sd
Conditions
-
-
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Overheat shut-down temperature
*4
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Unit
V
V
%
%
dB
V
%
V
mA
C
MAX.
35
30
1.0
2.5
-
1.275
-
0.5
7
150
TYP.
-
-
0.3
0.5
55
1.25
±1.0
-
-
130
MIN.
4.5
1.5
-
-
45
1.225
-
-
-
110
I
O
=5mA
to
1A
V
IN
=11 to 28V
Refer to Fig. 2
T
j
=0 to 125C, I
O
=5mA
*4
, I
O
=0.5A
I
O
=0
I
Electrical Characteristics
(Unless otherwise specified, condition shall be V
IN
=15V, Vo=10V, Io=0.5A, R
1
=390
, T
a
=25C)
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
~
V
G
3
G
2
G
1
G
4
A
V
V
A
V
IN
I
q
390
I
O
V
O
R
L
0.33
μ
F
47
μ
F
+
V
ref
R
2
R
1
G
3
G
2
G
1
G
4
V
IN
e
i
e
o
390
I
O
R
L
0.33
μ
F
47
μ
F
+
R
2
R
1
+
I
O
=0.5A
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
V
O
=V
ref
X
1+ ---R
X
1+ ---R
1
R
2
2
R
1
[R
1
=390
,V
ref
=1.25V]
0.5
1.0
1.5
2.0
0
20
40
60
80
100
R
Output current I
O
(A)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
Fig.3 Power Dissipation vs. Ambient
Temperature
P
D1
:No heat sink
P
D2
:With infinite heat sink
-20
0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
50
100
150
P
D2
P
D1
P
D
(
Ambient temperature T
a
(C)
Note) Oblique line portion:Overheat protection operates in this
area.
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