High-precision output (Output voltage precision: ±2.5%)
(PQ05RH11
Series)
29.1MAX
7.4±0.2
PQ05RH1
q
Series power supply for various electronic equipment such
as VCRs and OA equipment.
13.5MIN
s
Applications
4–1.4
+0.3
–0
4–0.6
+0.2
–0.1
(1.5)
3–(2.54)
(0.5)
s
Model Line-ups
Output voltage
5V Output
PQ05RH1
9V Output
PQ09RH1
12V Output
PQ12RH1
Internal connection diagram
➀➁➂➃
Output voltage
precision:±5%
Output voltage
precision:±2.5%
PQ05RH11
PQ09RH11
PQ12RH11
➀
Specific IC
➁
➃
➀
➁
➂
➃
s
Equivalent Circuit Diagram
➂
DC input(V
IN
)
DC output(V
O
)
GND
ON/OFF control
terminal(V
C
)
1
2
–
+
Reference
voltage
generation
circuit
❇ASO
protection
circuit
4
Output
ON/OFF
control circuit
Overheat
protection
circuit
❇ASO
: Area of Safety
Operation
3
•Please refer to the chapter " Handling Precautions ".
Notice
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 device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
4.8MAX
15.6±0.5
φ3.2±0.1
3.6±0.2
Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
(T
a
=25˚C)
s
❇1
❇1
Absolute Maximum Ratings
Parameter
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
Symbol
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
❇2
Rating
Unit
35
V
35
V
1.5
A
1.5
W
18
W
150
˚C
–20 to +80
˚C
–40 to +150
˚C
260 (For 10s) ˚C
❇1
❇2
All are open except GND and applicable terminals.
Overheat protection may operate at 125<=T
j
<=150˚C.
s
Electrical Characteristics
Symbol
(Unless otherwise specified , condition shall be Io=0.5A, T
a
=25˚C
❇3
)
Conditions
MIN.
4.75
8.55
11.4
4.88
8.78
11.7
−
−
−
45
−
2.0
❇6
−
−
−
−
TYP.
5.0
9.0
12.0
5.0
9.0
12.0
0.3
0.5
±0.02
55
−
−
−
−
−
−
MAX.
5.25
9.45
12.6
5.12
9.22
12.3
2.0
2.5
−
−
0.5
−
20
0.8
–0.4
10
Unit
Parameter
PQ05RH1
PQ09RH1
PQ12RH1
Output voltage
PQ05RH11
PQ09RH11
PQ12RH11
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
❇3
❇4
V
O
−
V
R
eg
L
R
eg
I
TcVo
RR
V
i
-o
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
q
I
O
=5mA
to
1.5A
❇4
T
j
=0 to 125˚C
Refer to Figs.2
❇5
−
V
C
=2.7V
−
V
C
=0.4V
I
O
=0
%
%
%/˚C
dB
V
V
µA
V
mA
mA
PQ05RH1 series:V
IN
=7V,
PQ09RH1 series:V
IN
=15V,
PQ12RH1 series:V
IN
=18V
PQ05RH1/PQ05RH11:V
IN
=6 to 12V
PQ09RH1/PQ09RH1:V
IN
=10 to 25V
PQ12RH1/PQ12RH1:V
IN
=13 to 29V
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal
➃,
output voltage turns on.
❇5
❇6
Fig.1 Test Circuit
V
IN
1
2
4
3
0.33µF
V
C
47µF
V
O
Fig.2 Test Circuit of Ripple Rejection
1
e
i
3
V
IN
0.33µF
47µF
2
4
+
+
A
+
I
O
A
I
q
I
C
V
R
L
R
L
V
e
o
A
f=120Hz(sine wave)
e
i(rms)
=0.5V
RR=20 log(e
i(rms)
/e
o(rms)
)
Low Power-Loss Voltage Regulators
Fig.3 Power Dissipation vs. Ambient
Temperature
20
P
D2
P
D1 :
No heat sink
P
D2 :
With infinite heat sink
PQ05RH1/PQ05RH11 Series
Fig.4 Overcurrent Protection
Characteristics (Typica value)
100
Relative output voltage (%)
Power dissipation P
D
(W)
15
80
60
40
20
0
10
5
P
D1
0
50
100
150
Ambient temperature T
a
(˚C)
Oblique line portion : Overheat protection may operate in this area.
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Embedded System
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