1A Output Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop
s
Outline Dimensions
s
Features
¡Low
power-loss (Dropout voltage : MAX.0.5V)
¡Compact
resin full-mold package
¡Output
voltage value (5.3V, 9.3V, 12.3V) with an allowance for
power line voltage drop
¡The
high-precision output voltage models are also available.
(output voltage precision :
±2.5%)
¡Built-in
ON/OFF control function.
29.1MAX
(Unit : mm)
4.5±0.2
2.8±0.2
10.2MAX
3.6±0.2
7.4±0.2
PQ05RF12
4-1.4
13.5MIN
+0.3
-0
4-0.6
+0.2
-0.1
s
Applications
¡Series
power supply for various electronic equipment such as
VCRs and electronic instruments
3-(2.54)
(0.5)
1 2 3 4
q q q q
s
Model Line-ups
Output voltage
Output voltage
precision:±5%
Output voltage
precision:±2.5%
5.3V output
PQ05RF12
PQ05RF13
9.3V output
PQ09RF12
PQ09RF13
12.3V output
PQ12RF12
1
2
Specific IC
4
3
Internal connection diagram
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
ON/OFF control
terminal (V
C
)
PQ12RF13
s
Absolute Maximum Ratings
Parameter
*1
*1
(T
a
=25˚C)
Symbol
Rating
Unit
V
IN
35
V
V
C
35
V
I
O
1
A
P
D1
1.5
W
P
D2
15
W
T
j
150
˚C
T
opr
-20 to +80
˚C
T
stg
-40 to +150
˚C
T
sol
260 (For 10s) ˚C
*2
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
*2
All are open except GND and applicable terminals.
Overheat protection may operate at 125=<T
j
=<150˚C
· 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. ”
4.8MAX
15.6±0.5
φ3.2±0.1
(1.5)
Low Power-Loss Voltage Regulators
s
Electrical Characteristics
V
IN
= 8V, I
O
=0.5
A(PQ05RF12/PQ05RF13)
V
IN
=12V, I
O
=0.5
A(PQ09RF12/PQ09RF13)
V
IN
=15V, I
O
=0.5
A(PQ12RF12/PQ12RF13)
Parameter
Symbol
Conditions
PQ05RF12
PQ09RF12
PQ12RF12
Output voltage
-
V
O
PQ05RF13
PQ09RF13
PQ12RF13
Load regulation
I
O
=5mA to 1.0A
R
eg
L
V
IN
=7 to 17V
PQ05RF12/13
Line regulation
V
IN
=11 to 21V
PQ09RF12/13
R
eg
I
V
IN
=14 to 24V
PQ12RF12/13
Temperature coefficient of output voltage
T
j
=0 to 125˚C
T
C
V
O
Ripple rejection
Refer to Fig. 2
RR
*3
Dropout voltage
V
i
-
O
*4
ON-state voltage for control
V
C
(
ON
)
ON-state current for control
V
C
=2.7V
I
C
(
ON
)
OFF-state voltage for control
-
V
C
(
OFF
)
OFF-state current for control
V
C
=0.4V
I
C
(
OFF
)
Quiescent current
V
C
=0A
I
q
*3
*4
PQ05RF12/PQ05RF13 Series
Unless otherwise specified,
condition shall be
(T
a
=25˚C)
MIN.
5.04
8.84
11.69
5.17
9.07
12.0
-
-
-
45
-
2.0
-
-
-
-
TYP.
5.3
9.3
12.3
5.3
9.3
12.3
0.1
0.5
±0.02
55
-
-
-
-
-
-
MAX.
5.56
9.76
12.91
5.43
9.53
12.6
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal
4,
output voltage turns on.
Fig.1 Test Circuit
V
IN
1
q
2
q
4
q
3
q
0.33µF
V
C
47µF
V
O
Fig.2 Test Circuit of Ripple Rejection
1
q
e
i
~
V
IN
0.33µF
3
q
2
q
4
q
47µF
+
I
O
R
L
V
e
o
~
+
A
+
I
O
A
I
q
I
C
V
R
L
A
f=120Hz (sine wave)
RR=20 log (e
i
/e
o
)
I
O
=0.5A
e
i
=0.5V
rms
Fig.3 Power Dissipation vs. Ambient
Temperature
20
P
D1
:No heat sink
P
D2
:With infinite heat sink
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
Relative output voltage (%)
80
60
40
Power dissipation P
D
(W)
15
P
D2
10
5
P
D1
20
0
0
50
100
150
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may operate in
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