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參數(shù)資料
| 型號(hào)： | PQ7DV5 |
| 廠商： | Sharp Corporation |
| 英文描述： | Variable Output Type, High Output Current (5A) Type Low Power-loss Voltage Regulators |
| 中文描述： | 可變輸出類型，高輸出電流（5A）條型低功率損耗穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 34K |
| 代理商： | PQ7DV5 |
Low Power-Loss Voltage Regulators
0
-20
0
P
D1
P
D2
P
D1
:No heat sink
P
D2
:With infinite heat sink
40
20
60
80
20
10
30
40
50
60
P
D
(
Ambient temperature T
a
(C)
Note) Oblique line portion:Overheat protection
may operate in this area.
Fig.3
Power Dissipation vs. Ambient
Temperature
Fig.4
Overcurrent Protection
Characteristics (Typical Value)
Parameter
Symbol
V
IN
V
O
V
ref
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-o
V
C (ON)
I
C (ON)
V
C (OFF)
I
C (OFF)
I
q
Conditions
-
-
-
Input voltage
Output voltage
Reference voltage
Load regulation
Line regulation
Temperature coefficient of reference voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
*3
In case of opening control terminal
4
, output voltage turns on.
Unit
V
V
V
%
%
%/C
dB
V
V
μ
A
V
mA
mA
MAX.
10
7
1.275
2.0
2.5
-
-
0.5
-
20
0.8
- 0.4
17
TYP.
-
-
1.25
0.5
0.5
±0.01
55
-
-
-
-
-
-
NIN.
3
1.5
1.225
-
-
-
45
-
2.0
-
-
-
-
I
Electrical Characteristics
(Unless otherwise specified, conditions shall be V
IN
=5V, I
O
=2.5A, V
O
=3V [R
1
=2k
] T
a
=25C)
I
O
=5mA to 5.0A
V
IN
=4 to 10V
T
j
=0 to 125C
-
V
IN
=3V, I
O
=5A
-
V
C
=2.7V
-
V
C
=0.4V
I
o
=0A
*3
Fig.1
Test Circuit
G
3
G
2
G
1
G
4
G
5
A
A
V
V
A
V
IN
V
C
I
q
2k
I
O
V
O
R
L
47
μ
F
0.33
μ
F
+
R
2
V
ref
R
1
Fig.2
Test Circuit for Ripple Rejection
~
V
V
C
2.7V
G
3
G
2
G
1
G
4
G
5
V
IN
e
i
e
o
2k
I
O
R
L
0.33
μ
F
47
μ
F
+
R
2
R
1
+
V
ref
V
o
=V
ref
X
(1+R
2
/R
1
)
=1.25
X
(1+R
2
/R
1
)
[R
1
=2k
,V
ref
=1.25V]
f=120Hz (sine wave)
e
i
=0.5V
rms
V
IN
=5V
V
O
=3V (R
1
=2k
)
I
O
=0.5A
RR=20 log (e
i
/e
o
)
0
2.0
4.0
6.0
8.0
10
12
100
80
40
60
20
0
R
Output current I
O
(A)
PQ7DV5
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