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Low Power-Loss Voltage Regulators
PQ05RF1 Series
PQ05RF1 Series
1A Output Low Power-Loss Voltage Regulators
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Features
ÁCompact resin full-mold package
ÁLow power-loss (Dropout voltage:MAX.0.5V)
ÁBuilt-in ON/OFF control terminal
(PQ05RF1/PQ05RF11
series)
ÁBuilt-in output voltage minute adjustment terminal (Critical rate
of ripple rejection is improved.)
(PQ05RF1V
series)
ÁLead forming type
(PQ05RF1A/1B
series) is also available.
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Outline Dimensions
(Unit : mm)
10.2MAX
4.5±0.2
2.8±0.2
PQ05RF1
f
3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
(1.5)
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Model Line-ups
3-(2.54)
(0.5)
Output voltage
5Voutput
9Voutput
12Voutput
Output voltage
precision:±5%
Output voltage
precision:±2.5%
Minute adjustment
(Output voltage adjust-
ment range:±10%)
PQ05RF1
PQ09RF1
PQ12RF1
PQ05RF11
PQ09RF11
PQ12RF11
1 2 3 4
PQ05RF1V
PQ09RF1V
PQ12RF1V
Internal connection diagram
Applications
ÁSeris power supply for various electronic equipment such as
VCRs and musical instruments
1
2
PQ05RF1/11
series
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
ON/OFF control
terminal (V
C
)
PQ05RF1V
series
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
Output voltage
minute
adjustment
terminal (V
ADJ
)
Specific IC
4
3
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Equivalent Circuit Diagram
PQ05RF1
series/
PQ05RF11
series
PQ05RF1V
series
1
2
1
2
-
-
4
+
+
Reference
voltage
generation
circuit
*ASO
protection
circuit
Reference
voltage
generation
circuit
*ASO
protection
circuit
4
Output
ON/OFF
control circuit
Overheat
protection
circuit
*ASO:Area of Safety
Operation
Overheat
protection
circuit
3
3
· Please refer to the chapter“ Handling Precautions ”.
“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”
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Low Power-Loss Voltage Regulators
PQ05RF1 Series
n
Absolute Maximum Ratings
(T
a
=25˚C)
Parameter
Symbol
Rating
Unit
*1
*1
Input voltage
ON/OFF control
terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
PQ05RF1 series
PQ05RF11 series
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
35
35
1
1.5
15
150
-20 to +80
-40 to +150
260 (For 10s)
V
V
A
W
W
˚C
˚C
˚C
˚C
*2
*1
All are open except GND and applicable terminals.
*2
Overheat protection may operate at 125=<T
j
=<150˚C
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Electrical Characteristics
(Unless othewise specified, condition shall be Io=0.5A, T
a
=25˚C,
*3
)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Output voltage
PQ05RF1/PQ05RF1V
PQ09RF1/PQ09RF1V
PQ12RF1/PQ12RF1V
PQ05RF11
PQ09RF11
PQ12RF11
V
O
-
4.75
8.55
11.4
4.88
8.78
11.7
-
-
-
45
55
-
2.0
*6
-
-
-
-
4.5
8.1
10.8
5.0
9.0
12.0
5.0
9.0
12.0
0.1
0.5
±0.02
55
-
-
-
-
-
-
-
5.0
9.0
12.0
5.25
9.45
12.6
5.12
9.22
12.3
2.0
2.5
-
-
-
0.5
-
20
0.8
-0.4
10
5.5
9.9
13.2
V
Load regulation
Line regulation
Temperature coefficient of output 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
Output voltage minute
adjustment characteristics
PQ05RF1/PQ05RF11
series
PQ05RF1V
series
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
I
O
=5mA to 1A
*4
T
j
=0 to 125˚C
Refer to Fig. 2.
%
%
%/˚C
dB
V
V
m
*5
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
-
V
C
=2.7V
A
V
mA
mA
-
V
C
=0.4V
I
O
=0
PQ05RF1V
PQ09RF1V
PQ12RF1V
*3
PQ05RF1 series
:V
IN
=7V,
PQ09RF1 seris
:V
IN
=15V,
PQ12RF1 seris
:V
IN
=18V
*4
PQ05RF1/PQ05RF11/PQ05RF1V
:V
IN
=6 to 12V
PQ09RF1/PQ09RF11/PQ09RF1V
:V
IN
=10 to 25V
PQ12RF1/PQ12RF11/PQ12RF1V
:V
IN
=13 to 29V
*5
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*6
In case of opening control terminal
4
, output voltage turns on. (
PQ05RF1/PQ05RF11 series
)
V
O
(
ADJ
)
-
V
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.1 Test Circuit
PQ05RF1
/
PQ05RF11
series
PQ05RF1V
series
V
IN
1
2
47
m
F
V
O
V
IN
1
2
3.3
m
F
V
O
+
V
C
4
A
I
O
4
A
I
O
+
+
3
A
V
3
V
0.33
m
F
R
L
0.33
m
F
47
m
F
R
L
A
I
q
I
C
A
I
q
Fig.2 Test Circuit of Ripple Rejection
PQ05RF1
/
PQ05RF11
series
PQ05RF1V
series
1
2
+
1
2
3.3
m
F
+
+
~
e
i
4
~
e
i
4
+
+
3
V
3
V
R
L
~
e
O
R
L
~
e
O
0.33
m
F
47
m
F
0.33
m
F
47
m
F
V
IN
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
V
IN
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
Fig.3 Power Dissipation vs. Ambient
Temperature
20
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
P
D
1 :No heat sink
P
D
2 :With infinite heat sink
15
P
D2
80
60
10
40
5
20
P
D1
0
-25 0
50
100
150
0
0
0.5
1.0
1.5
2.0
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may operate
in this area.
Output current I
O
(A)
Fig.5 Output Voltage Minute Adjustment
Characteristics (PQ05RF1V)
Fig.6 Output Voltage Minute Adjustment
Characteristics (PQ09RF1V)
6.0
R
1
=390
W
R
1
=1k
W
R
1
=390
W
R
1
=1k
W
5.5
9.9
R
1
=3.9k
W
5.0
R
1
=
3.9k
W
9.0
4.5
8.1
10
2
10
3
10
4
10
3
10
4
10
5
R
2
(
W
)
R
2
(
W
)
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.7 Output Voltage Minute Adjustment
Characteristics (PQ12RF1V)
Fig.8 Output Voltage Deviation vs. Junction
Temperature (PQ05RF1/PQ05RF11/PQ05RF1V)
150
13.2
R
1
=390
W
R
1
=1k
W
V
IN
=7V
I
O
=0.5A
100
R
1
=3.9k
W
50
12.0
0
-50
10.8
-100
10
3
10
4
10
5
-25
0
25
50
75
100
125
R
2
(
W
)
Junction temperature T
j
(˚C)
Fig.9 Output Voltage Deviation vs. Junction
Temperature (PQ09RF1/PQ09RF11/PQ09RF1V)
Fig.10 Output Voltage Deviation vs. Junction
Temperature (PQ12RF1/PQ12RF11/PQ12RF1V)
200
250
200
150
100
50
0
-50
-100
-150
150
V
IN
=15V
I
O
=0.5A
V
IN
=18V
I
O
=0.5A
100
50
0
-50
-100
-150
-25
0
25
50
75
100
125
-200
-25
0
25
50
75
100
125
Junction temperature T
j
(˚C)
Junction temperature T
j
(˚C)
Fig.11 Output Voltage vs. Input Voltage
(PQ05RF1/PQ05RF11/PQ05RF1V)
Fig.12 Output Voltage vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
8
10
7
6
R
L
=
¥
5
R
L
=
¥
R
L
=18
W
5
4
R
L
=10
W
R
L
=5
W
R
L
=9
W
3
2
1
0
0
2
4
6
8
10
0
0
5
10
15
Input voltage V
IN
(V)
Input voltage V
IN
(V)
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.13 Output Voltage vs. Input Voltage
(PQ12RF1/PQ12RF11/PQ12RF1V)
Fig.14 Circuit Operating Current vs. Input Voltage
(PQ05RF1/PQ05RF11/PQ05RF1V)
20
40
15
30
R
L
=
¥
20
10
R
L
=5
W
R
L
=24
W
R
L
=12
W
5
10
R
L
=10
W
R
L
=
¥
0
0
0
5
10
15
20
25
0
5
10
Input voltage V
IN
(V)
Input voltage V
IN
(V)
Fig.15 Circuit Operating Current vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
Fig.16 Circuit Operating Current vs. Input Voltage
(PQ12RF1/PQ12RF11/PQ12RF1V)
40
40
R
L
=
¥
30
30
R
L
=24
W
20
R
L
=9
W
20
R
L
=12
W
R
L
=12
W
R
L
=18
W
10
10
R
L
=24
W
R
L
=
¥
R
L
=
¥
0
0
5
10
15
0
0
5
10
15
20
25
Input voltage V
IN
(V)
Input voltage V
IN
(V)
Fig.17 Dropout Voltage vs. Junction
Temperature
Fig.18 Quiescent Current vs. Junction
Temperature
V
IN
=35V
I
O
=0
0.4
8
I
O
=1A
0.3
6
0.75A
0.2
0.5A
4
0.1
0.25A
2
0
-25
0
25
50
75
100
125
0
-25
0
25
50
75
100 125
Junction temperature T
j
(˚C)
Junction temperature T
j
(˚C)
0.5
10
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