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Notice
113
Low Power-Loss Voltage Regulators
PQ05RD08 Series/PQ3RD083/PQ6RD083
(Unless otherwise specified, Io=0.5A,
f4
, T
a
=25˚C)
s
Electrical Characteristics
Parameter
PQ3RD083
PQ05RD08
Output voltage
PQ6RD083
PQ09RD08
PQ12RD08
Load regulation
Line regulation
PQ05RD08 series
PQ3RD083/PQ6RD083
Symbol
Conditions
V
O
f4
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
Io=5mA to 0.8A,
f4
f5
, I
O
=5mA
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
f7
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
f4
f5
Tj=0 to 125˚C, Io=5mA
Refer to Fig.2
f6
, Io=0.5A
f4
V
C
=2.7V,
f4
f4
V
C
=0.4V,
f4
I
O
=0A,
f4
MIN.
3.201
4.85
6.111
8.73
11.64
––
––
––
––
45
––
2.0
––
––
––
––
TYP.
3.3
5.0
6.3
9.0
12.0
0.1
0.5
0.1
±0.02
55
––
––
––
––
––
––
MAX.
3.399
5.15
6.489
9.27
12.36
2.0
2.5
2.5
––
––
0.5
––
20
0.8
–0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
PQ3RD083:
V
IN
=5V,
PQ05RD08:V
IN
=7V,
PQ6RD083:
V
IN
=8V,
PQ09RD08:V
IN
=11V,
PQ12RD08:
V
IN
=14V
PQ3RD083:
V
IN
=4 to 10V,
PQ6RD083:
V
IN
= 7 to 13V,
PQ05RD08:V
IN
= 6 to 12V,
PQ09RD08:V
IN
=10 to 16V,
PQ12RD08:
V
IN
=13 to 17V
f6
Input voltage shall be the value when output voltage is 95% in comparison with the initial value. (PQ3RD08:V
IN
=3.7V)
f7
In case of opening control terminal
r,
output voltage turns on.
Fig. 1 Test Circuit
V
IN
1
2
4
3
Fig. 2 Test Circuit of Ripple Rejection
47µF
V
O
1
2
4
47µF
3
+
+
V
C
A
+
I
O
I
O
R
L
V
e
o
e
i
0.33µF
A
I
q
I
C
V
R
L
V
IN
0.33µF
A
f=120Hz (sine wave)
e
i
=0.5V
rms
V
IN
=5V
(PQ3RD083)
7V
(PQ05RD08)
8V
(PQ6RD083)
11V
(PQ09RD08)
14V
(PQ12RD08)
I
O
=0.5A
RR=20 log (e
i
/e
o
)
Fig. 3 Power Dissipation vs. Ambient
Temperature
20
P
D1
:No heat sink
P
D2
:With infinite heat sink
Power dissipation P
D
(W)
15
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
100
V
IN
=V
O
+2V
Relative output voltage (%)
80
V
IN
=V
O
+5V
60
40
V
IN
=V
O
+1V
20
0
10
P
D2
5
P
D1
0
50
80 100
150
Ambient temperature T
a
(˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
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Embedded System
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