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PQ05RF1 Series
s
Outline Dimensions
Low Power-Loss Voltage Regulators
PQ05RF1 Series
(Unit : mm)
1A Output Low Power-Loss Voltage Regulators
s
Features
Compact resin full-mold package
Low power-loss (Dropout voltage:MAX.0.5V)
Built-in ON/OFF control terminal
(PQ05RF1/PQ05RF11
series)
Built-in output voltage minute adjustment terminal (Critical rate
of ripple rejection is improved.)
(PQ05RF1V
series)
Lead forming type
(PQ05RF1A/1B
series) is also available.
2
3
1
4
PQ05RF1
Internal connection diagram
Specific IC
PQ05RF1/11
series
1 DC input (V
IN
)
2 DC output (V
O
)
3 GND
4 ON/OFF control
terminal (V
C
)
29.1MAX
10.2MAX
7.40.2
3.60.2
3.20.1
+0.3
-0
4-1.4
+0.2
-0.1
4-0.6
13.5MIN
3-(2.54)
4.50.2
2.80.2
15.60.5
4.8MAX
(1.5)
(0.5)
q
1
q
2
q
3
q
4
PQ05RF1V
series
1 DC input (V
IN
)
2 DC output (V
O
)
3 GND
4 Output voltage
minute
adjustment
terminal (V
ADJ
)
s
Applications
Seris power supply for various electronic equipment such as
VCRs and musical instruments
s
Equivalent Circuit Diagram
1
2
-
+
4
3
Reference
voltage
generation
circuit
Output
ON/OFF
control circuit
Overheat
protection
circuit
PQ05RF1
series/
PQ05RF11
series
1
2
4
-
+
3
Reference
voltage
generation
circuit
*ASO
protection
circuit
Overheat
protection
circuit
PQ05RF1V
series
*ASO:Area of Safety
Operation
*ASO
protection
circuit
Output voltage
PQ05RF1
PQ05RF11
PQ05RF1V
Output voltage
precision:5%
Output voltage
precision:2.5%
Minute adjustment
(Output voltage adjust-
ment range:10%)
s
Model Line-ups
5Voutput
PQ09RF1
PQ09RF11
PQ09RF1V
9Voutput
PQ12RF1
PQ12RF11
PQ12RF1V
12Voutput
Please refer to the chapter" Handling Precautions ".
Low Power-Loss Voltage Regulators
Parameter
Symbol
Rating
Unit
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
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
*1
*1
*2
*1
All are open except GND and applicable terminals.
*2
Overheat protection may operate at 125=<T
j
=<150C
s
Absolute Maximum Ratings
PQ05RF1 series
PQ05RF11 series
(T
a
=25C)
Parameter
Symbol
Conditions
V
O
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
V
O
(
ADJ
)
Output voltage
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
Unit
MAX.
TYP.
MIN.
PQ05RF1/PQ05RF1V
PQ09RF1/PQ09RF1V
PQ12RF1/PQ12RF1V
PQ05RF11
PQ09RF11
PQ12RF11
4.75
8.55
11.4
4.88
8.78
11.7
-
-
-
45
55
-
2.0
*6
-
-
-
-
4.5
8.1
10.8
-
I
O
=5mA to 1A
*4
T
j
=0 to 125C
Refer to Fig. 2.
*5
-
V
C
=2.7V
-
V
C
=0.4V
I
O
=0
-
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
%
%
%/C
dB
V
V
A
V
mA
mA
V
PQ05RF1/PQ05RF11
series
PQ05RF1V
series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
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
)
s
Electrical Characteristics
(Unless othewise specified, condition shall be Io=0.5A, T
a
=25C,
*3
)
PQ05RF1 Series
Fig.1 Test Circuit
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.3 Power Dissipation vs. Ambient
Temperature
Fig.5 Output Voltage Minute Adjustment
Characteristics (PQ05RF1V)
Fig.6 Output Voltage Minute Adjustment
Characteristics (PQ09RF1V)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
0
-25
0
P
D1
P
D2
P
D
1 :No heat sink
P
D
2 :With infinite heat sink
50
100
150
5
10
15
20
Power dissipation P
D
(W)
Ambient temperature T
a
(C)
Note) Oblique line portion:Overheat protection may operate
in this area.
0
0.5
1.0
1.5
2.0
100
80
40
60
20
0
Relative output voltage (%)
Output current I
O
(A)
10
2
10
3
10
4
4.5
5.0
5.5
6.0
R
1
=390
R
1
=1k
R
1
=
3.9k
Output voltage V
O
(V)
R
2
(
)
10
3
10
4
10
5
8.1
9.0
9.9
R
1
=390
R
1
=1k
R
1
=3.9k
Output voltage V
O
(V)
R
2
(
)
Fig.2 Test Circuit of Ripple Rejection
q
3
q
2
q
1
q
4
A
V
A
A
V
IN
I
q
I
C
I
O
V
O
V
C
R
L
0.33
F
47
F
+
q
3
q
2
q
1
q
4
A
V
A
V
IN
I
q
I
O
V
O
R
L
0.33
F
3.3
F
PQ05RF1
/
PQ05RF11
series
PQ05RF1V
series
47
F
+
+
3.3
F
PQ05RF1
/
PQ05RF11
series
PQ05RF1V
series
q
3
q
2
q
1
q
4
V
e
i
V
IN
e
O
R
L
0.33
F
47
F
+
+
~
~
q
3
q
2
q
1
q
4
V
e
i
V
IN
e
O
R
L
0.33
F
47
F
+
+
~
~
+
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
Low Power-Loss Voltage Regulators
Fig.7 Output Voltage Minute Adjustment
Characteristics (PQ12RF1V)
Fig.9 Output Voltage Deviation vs. Junction
Temperature (PQ09RF1/PQ09RF11/PQ09RF1V)
Fig.11 Output Voltage vs. Input Voltage
(PQ05RF1/PQ05RF11/PQ05RF1V)
Fig.10 Output Voltage Deviation vs. Junction
Temperature (PQ12RF1/PQ12RF11/PQ12RF1V)
Fig.12 Output Voltage vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
Fig.8 Output Voltage Deviation vs. Junction
Temperature (PQ05RF1/PQ05RF11/PQ05RF1V)
PQ05RF1 Series
-200
-25
0
50
25
100
75
125
250
200
150
100
50
0
-50
-100
-150
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
V
IN
=18V
I
O
=0.5A
0
0
2
6
4
8
10
8
7
6
5
4
3
2
1
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=
R
L
=10
R
L
=5
0
0
5
10
15
5
10
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=
R
L
=18
R
L
=9
-25
0
50
25
100
75
125
150
100
0
50
-50
-100
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
V
IN
=7V
I
O
=0.5A
10
3
10
4
10
5
10.8
12.0
13.2
R
1
=390
R
1
=1k
R
1
=3.9k
Output voltage V
O
(V)
R
2
(
)
-25
0
50
25
100
75
125
200
150
100
50
0
-50
-100
-150
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
V
IN
=15V
I
O
=0.5A
Fig.13 Output Voltage vs. Input Voltage
(PQ12RF1/PQ12RF11/PQ12RF1V)
Fig.15 Circuit Operating Current vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
Fig.17 Dropout Voltage vs. Junction
Temperature
Fig.16 Circuit Operating Current vs. Input Voltage
(PQ12RF1/PQ12RF11/PQ12RF1V)
Fig.18 Quiescent Current vs. Junction
Temperature
Fig.14 Circuit Operating Current vs. Input Voltage
(PQ05RF1/PQ05RF11/PQ05RF1V)
Low Power-Loss Voltage Regulators
PQ05RF1 Series
0
0
5
10
15
20
25
5
10
15
20
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=
R
L
=24
R
L
=12
0
0
5
10
10
20
30
R
L
=
R
L
=10
R
L
=5
40
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
0
0
10
15
5
10
20
30
R
L
=
R
L
=18
R
L
=9
40
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
0
0
5
10
15
20
25
10
20
30
R
L
=
R
L
=
R
L
=24
R
L
=24
R
L
=12
R
L
=12
40
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
-25
0
50
25
100
75
125
0.5
0.4
0.2
0.3
0.1
0
Dropout voltage V
i
-O
(V)
Junction temperature T
j
(C)
I
O
=1A
0.75A
0.5A
0.25A
0
-25
0
25
50
75
100
125
2
4
6
8
V
IN
=35V
I
O
=0
10
Quiescent current I
q
(mA)
Junction temperature T
j
(C)
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