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參數(shù)資料
| 型號(hào)： | PQ7VZ5U |
| 英文描述： | VOLT REGULATOR|ADJUSTABLE|+1.5 TO +7V|BIPOLAR|SIP|5PIN|PLASTIC |
| 中文描述： | 電壓調(diào)節(jié)器|調(diào)節(jié)| 1.5至7V |雙極|園區(qū)| 5PIN |塑料 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 55K |
| 代理商： | PQ7VZ5U |
Low Power-Loss Voltage Regulators
PQ7VZ5
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
4
T
a
=25
C
V
O
=3V(R
1
=1k
,R
2
=1.4k
)
Parameter
Symbol
V
IN
V
O
R
eg
L
R
eg
I
RR
V
i
-o
V
ref
T
C
V
ref
V
C(ON)
I
C(ON)
V
C(OFF)
I
C(OFF)
I
q
I
qs
Condition
Input voltage
Output voltage variable range
Load regulation
Line regulation
Ripple rejection
Dropout voltage
Reference voltage
Temperature coefficient of reference voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Output OFF-state consumption current
4
In case of opening control terminal
, output voltage turns off.
Unit
V
V
%
%
dB
V
V
%
V
μ
A
V
μ
A
mA
μ
A
MAX.
10.0
7.0
2.0
2.5
0.5
1.275
200
0.8
2
7
5
TYP.
0.2
0.2
60
1.25
±
1.0
4
NIN.
3.4
1.5
45
1.225
2.0
I
Electrical Characteristics
(Unless otherwise specified, conditions shall be V
IN
=5V, V
O
=3V(R
1
=1k
), Io=0.3A, V
C
=2.7V, T
a
=25
C)
I
O
=5mA to 0.5A
V
IN
=4 to 10V, I
O
=5mA
Refer to Fig. 2
V
IN
=3.4, I
O
=0.3A
I
O
=5mA, T
j
=0 to 125
C
4
I
C
=0A
V
C
=0.4V, I
C
=0A
I
C
=0A
V
C
=0.4V
Fig. 1 Test Circuit
V
IN
0.33
μ
F
1
Fig. 3 Power Dissipation vs. Ambient
Temperature
P
D
:With infinite heat sink
0
–
20
0
Ambient temperature T
a
(
C)
P
D
80
50
100
150
5
10
P
D
(
0
0.5
Output current I
O
(A)
1.0
1.5
2.0
3
2
1
0
O
O
(
V
i
–
O
=5V
V
i
–
O
=2V
V
i
–
O
=0.5V
V
i
–
O
=1V
Fig. 2 Test Circuit for Ripple Rejection
0.33
μ
F
1
3
V
A
A
V
V
A
V
C
I
q
1k
I
O
V
O
V
C
R
L
47
μ
F
47
μ
F
+
R
2
R
1
V
IN
e
i
e
o
1k
I
O
R
L
47
μ
F
+
R
2
R
1
+
V
O
=V
ref
×
1+
–R
2
R
1
[R
1
=1k
,V
ref
Nearly=1.25V]
f=120Hz(sine wave)
e
i(rms)
=0.5V
I
O
=0.3A
RR=20 log(e
i(rms)
/e
o(rms)
)
V
IN
=5V
V
O
=3V(R
1
=1k
)
2
3
4
5
2
4
5
Note)
Oblique line portion : Overheat protection may operate in this area.
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