Low Power-Loss Voltage Regulators
PQ05RF1 Series
PQ05RF1 Series
1A Output Low Power-Loss Voltage Regulators
■ 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.
■ Model Line-ups
Output voltage
Output voltage
precision:±5%
Output voltage
precision:±2.5%
Minute adjustment
(Output voltage adjust-
ment range:±10%)
5Voutput
PQ05RF1
PQ05RF11
PQ05RF1V
9Voutput
PQ09RF1
PQ09RF11
PQ09RF1V
12Voutput
PQ12RF1
PQ12RF11
PQ12RF1V
■ Applications
¡Seris power supply for various electronic equipment such as
VCRs and musical instruments
■ Equivalent Circuit Diagram
PQ05RF1series/PQ05RF11series
1 2
■ Outline Dimensions
10.2MAX
7.4±0.2
PQ05RF1
29.1MAX
13.5MIN
●1 ●2 ●3 ●4
Internal connection diagram
1
Specific IC
3
1 2
2
4
PQ05RF1Vseries
3.6±0.2
φ3.2±0.1
+0.3
4-1.4
-0
+0.2
4-0.6
-0.1
3-(2.54)
PQ05RF1/11series
1 DC input (V
2 DC output (V
3 GND
4 ON/OFF control
terminal (V
IN
C
)
)
O
)
(Unit : mm)
4.5±0.2
2.8±0.2
4.8MAX
(0.5)
PQ05RF1Vseries
1 DC input (V
2 DC output (V
3 GND
4 Output voltage
minute
adjustment
terminal (V
ADJ
15.6±0.5
(1.5)
IN
)
O
)
)
-
+
Reference
voltage
generation
circuit
Output
4
ON/OFF
control circuit
“ 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. ”
*ASO
protection
circuit
Overheat
protection
circuit
3
*ASO:Area of Safety
Operation
Reference
voltage
generation
circuit
· Please refer to the chapter“ Handling Precautions ”.
*ASO
protection
circuit
Overheat
protection
circuit
3
-
+
4
Low Power-Loss Voltage Regulators
PQ05RF1 Series
■ Absolute Maximum Ratings
*1
Input voltage
*1
ON/OFF control
terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*2
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
All are open except GND and applicable terminals.
*2
Overheat protection may operate at 125=<T
■ Electrical Characteristics
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
*3
PQ05RF1 series:V
*4
PQ05RF1/PQ05RF11/PQ05RF1V:V
PQ09RF1/PQ09RF11/PQ09RF1V:VIN=10 to 25V
PQ12RF1/PQ12RF11/PQ12RF1V:V
*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)
Parameter Symbol Rating Unit
V
PQ05RF1 series
PQ05RF11 series
j
=<150˚C
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)
(Unless othewise specified, condition shall be Io=0.5A, Ta=25˚C,*3)
Parameter Symbol Conditions
PQ05RF1/PQ05RF1V
PQ09RF1/PQ09RF1V
PQ12RF1/PQ12RF1V
PQ05RF11
O
V
PQ09RF11
PQ12RF11
O
=5mA to 1A
eg
R
CVO
RR
i-O
V
C (ON
C (OFF
C (OFF
q
I
I
I
*4
Tj=0 to 125˚C
Refer to Fig. 2.
*5
C
=2.7V
V
)
)
C
=0.4V
V
)
O
=0
I
PQ05RF1/PQ05RF11 series
PQ05RF1V series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
PQ05RF1/PQ05RF11 series
RegL
T
VC (ON)
I
V
I
PQ05RF1V
PQ09RF1V
VO (
ADJ
)
PQ12RF1V
IN
=7V, PQ09RF1 seris:VIN=15V, PQ12RF1 seris:VIN=18V
IN
=6 to 12V
IN
=13 to 29V
(T
a
=25˚C)
V
V
A
W
W
˚C
˚C
˚C
˚C
-
-
-
-
4.75
8.55
11.4
4.88
8.78
11.7
2.0
4.5
8.1
10.8
UnitMAX.TYP.MIN.
5.0
9.0
12.0
5.0
9.0
12.0
-
0.1
-
0.5
-
±0.02
45
55
-
*6
-
-
-
-
5.0
9.0
12.0
5.25
9.45
12.6
5.12
V
9.22
12.3
2.0
2.5
-
55
-
-
-
-
-
-
-
-
-
0.5
-
20
0.8
-0.4
10
%
%
%/˚C
dB
V
V
µA
V
mA
mA
5.5
9.9
V
13.2
Low Power-Loss Voltage Regulators
Fig.1 Test Circuit
PQ05RF1/PQ05RF11series PQ05RF1Vseries
V
IN
0.33µF
●3
A
Fig.2 Test Circuit of Ripple Rejection
PQ05RF1/PQ05RF11series PQ05RF1Vseries
~
e
i
0.33µF
V
IN
●3
47µF
V
●2●1
V
C
●4
A
I
C
I
q
●2●1
●4
47µF
O
I
O
A
+
V
R
L
+
+
e
O
V
R
L
~
f=120Hz (sine wave)
i
=0.5V
e
RR=20 log (ei/eo)
rms
PQ05RF1 Series
V
IN
0.33µF
~
e
i
0.33µF
V
IN
3.3µF
●2●1
+
●4
●3
47µF
A
I
q
3.3µF
●2●1
+
●4
●3
47µF
V
O
I
O
A
+
V
R
L
+
+
e
O
V
R
L
~
f=120Hz (sine wave)
i
=0.5V
e
RR=20 log (ei/eo)
rms
Fig.3 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
P
D
2 :With infinite heat sink
P
(W)
D
15
D2
10
5
Power dissipation P
0
-25 0
Note) Oblique line portion:Overheat protection may operate
D1
P
50 100 150
Ambient temperature Ta (˚C)
in this area.
Fig.5 Output Voltage Minute Adjustment
Characteristics (PQ05RF1V)
(V)
O
6.0
5.5
5.0
1
R
=390Ω
R1=1kΩ
1
=
R
3.9kΩ
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
Relative output voltage (%)
0
0 0.5 1.0 1.5 2.0
Output current IO (A)
Fig.6 Output Voltage Minute Adjustment
Characteristics (PQ09RF1V)
R
1=1kΩ
R
1=3.9kΩ
9.9
9.0
1=390Ω
R
4.5
Output voltage V
2
10
3
10
R2 (Ω)
10
Output voltage VO (V)
8.1
4
10
3
10
4
10
5
R2 (Ω)
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.7 Output Voltage Minute Adjustment
Characteristics (PQ12RF1V)
13.2
1
=390Ω
(V)
O
R
1
=1kΩ
R
R
1
=3.9kΩ
12.0
Output voltage V
10.8
10
3
10
4
10
5
R2 (Ω)
Fig.9
Output Voltage Deviation vs. Junction
Temperature (PQ09RF1/PQ09RF11/PQ09RF1V)
200
V
IN
=15V
O
=0.5A
I
150
(mV)
O
100
50
0
-50
-100
Output voltage deviation ∆V
-150
-25 0 5025 10075 125
Junction temperature Tj (˚C)
Output Voltage Deviation vs. Junction
Fig.8
Temperature (PQ05RF1/PQ05RF11/PQ05RF1V)
150
IN
=7V
V
I
O
100
=0.5A
(mV)
O
50
0
-50
Output voltage deviation ∆V
-100
-25 0 5025 10075 125
Junction temperature Tj (˚C)
Fig.10
Output Voltage Deviation vs. Junction
Temperature (PQ12RF1/PQ12RF11/PQ12RF1V)
250
V
IN
200
(mV)
O
150
100
-100
-150
Output voltage deviation ∆V
-200
-50
=18V
IO=0.5A
50
0
-25 0 5025 10075 125
Junction temperature Tj (˚C)
Fig.11 Output Voltage vs. Input Voltage
(PQ05RF1/PQ05RF11/PQ05RF1V)
8
7
6
(V)
O
5
4
3
2
Output voltage V
1
0
02 64810
L
=∞
R
L
=10Ω
R
Input voltage V
R
L
=5Ω
IN
(V)
Fig.12 Output Voltage vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
10
(V)
O
5
Output voltage V
0
R
L
=∞
RL=18Ω
R
L
=9Ω
0 5 10 15
Input voltage V
IN
(V)
Low Power-Loss Voltage Regulators
PQ05RF1 Series
Fig.13 Output Voltage vs. Input Voltage
(PQ12RF1/PQ12RF11/PQ12RF1V)
20
15
(V)
O
R
L
=∞
10
L
=24Ω
R
L
=12Ω
5
Output voltage V
0
0 5 10 15 20 25
Fig.15
Circuit Operating Current vs. Input Voltage
(PQ09RF1/PQ09RF11/PQ09RF1V)
40
(mA)
BIAS
30
20
10
Circuit operating current I
0
010155
R
Input voltage V
Input voltage V
IN
(V)
L
=9Ω
R
R
L
=18Ω
R
L
=∞
IN
(V)
Circuit Operating Current vs. Input Voltage
Fig.14
(PQ05RF1/PQ05RF11/PQ05RF1V)
40
(mA)
BIAS
30
20
L
=5Ω
R
L
=10Ω
10
Circuit operating current I
0
R
R
L
=∞
0510
Input voltage V
Fig.16
Circuit Operating Current vs. Input Voltage
IN
(V)
(PQ12RF1/PQ12RF11/PQ12RF1V)
40
R
L
(mA)
BIAS
30
20
10
Circuit operating current I
0
=∞
L
=24Ω
R
L
=12Ω
R
R
L
=12Ω
R
L
=24Ω
R
L
=∞
0 5 10 15 20 25
Input voltage V
IN
(V)
Fig.17 Dropout Voltage vs. Junction
Temperature
0.5
0.4
I
0.3
0.2
0.1
Dropout voltage Vi-O (V)
0
-25 0 5025 10075 125
Junction temperature Tj (˚C)
O=1A
0.75A
0.5A
0.25A
Fig.18 Quiescent Current vs. Junction
Temperature
10
V
IN
=35V
I
O
=0
8
(mA)
q
6
4
2
Quiescent current I
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Low Power-Loss Voltage Regulators
Fig.19
Ripple Rejection vs. Input Ripple Frequency
(PQ05RF1/PQ05RF11/PQ09RF1/PQ09RF11/PQ12RF1/PQ12RF11)
80
70
60
50
40
PQ05RF1 Series
Ripple Rejection vs. Input Ripple Frequency
Fig.20
(PQ05RF1V/PQ09RF1V/PQ12RF1V)
80
70
60
50
40
30
20
O
=0.5A,ei=0.5V
I
Ripple rejection RR (dB)
V
IN
=7V(PQ05RF11/PQ05RF11)
10
V
IN
=15V(PQ09RF11/PQ09RF11)
IN
=18V(PQ12RF11/PQ12RF11)
V
0
0.1 101 100
rms
,
Input ripple frequency f (kHz)
Fig.21 Ripple Rejection vs. Output Current
80
70
60
PQ05RF1V/PQ09RF1V/PQ12RF1V
PQ05RF1/PQ05RF11
PQ09RF1/PQ09RF11
PQ12RF1/PQ12RF11
50
f=120Hz,ei=0.5Vrms,
Cref=3.3µF(V Type)
40
Ripple rejection RR (dB)
IN
= 7V(PQ05RF1 Series)
V
IN
= 15V(PQ09RF1 Series)
V
IN
= 18V(PQ12RF1 Series)
V
30
0 0.5 1.0
Output current IO (A)
■ Typical Application
PQ05RF1/PQ05RF11 Series PQ05RF1V Series
30
O=0.5A,ei=0.5Vrms,
I
20
Cref=3.3µF
Ripple rejection RR (dB)
V
IN= 7V(PQ05RF1V)
10
V
IN= 15V(PQ09RF1V)
V
IN= 18V(PQ12RF1V)
0
0.1 101 100
Input ripple frequency f (kHz)
IN
V
●1
+
Specific IC
●4
ON/OFF
signal
CMOS or TTL
V
O
●2
+
C
O
●3
High or Open:Output ON
Low :Output OFF
Load
IN
V
●1
+
V
(Note) R
Specific IC
O
=V
V
PQ05RF1V : R
PQ09RF1V : R
PQ12RF1V : R
1
R
ref
X 1+ --------------------- ¡ ---------------------
R2'+R
ref
=1.26V,R1' = 390Ω
' and R2' are built in a specific IC.
2
'
R
R1'
2
'XR
2
2
2
' = 1.16kΩ
2
' = 2.40kΩ
2
' = 3.32kΩ
●2
●4
●3
R1'+R
R1'XR
V
O
+
+
R
2
C
O
C
ref
1
1
Load
R
1
Low Power-Loss Voltage Regulators
■ Model Line-ups for Lead Forming Type
Output voltage precision:±5%
Output voltage precision:±2.5%
5V outputOutput voltage
PQ05RF1A
PQ05RF1B
9V output
PQ09RF1A
PQ09RF1B
PQ05RF1 Series
12V output
PQ12RF1A
PQ12RF1B
■ Outline Dimensions (PQ05RF1A/PQ05RF1B series)
10.2MAX
7.4±0.2
PQ05RF1
(24.6)
●1 ●2 ●3 ●4
φ3.2±0.1
4-1.4
4-0.6
3-(2.54)
3.6±0.2
+0.3
-0
+0.2
-0.1
Internal connection diagram
1
Specific IC
2
4
3
Note) The value absolute maximum ratings and electrical characteristics is same as ones of PQ05RF1/11 series.
4.5±0.2
2.8±0.2
16.4±0.7
(5.0±0.5)
8.2±0.7
(3.2)
C
(2.0)
IN
)
)
O
4.4MIN
)
(1.5)
(0.5)
5±0.5
· ( ) : Typical value
· Radius of lead forming portion : R=0.5 to 1.5mm
1 DC input (V
2 DC output (V
3 GND
4 ON/OFF control
terminal (V
(Unit : mm)
■ Precautions for Use
(1) Minute adjustment of output voltage (PQ05RF1V series)
If the external resistor is attached to the terminals ™, £ and ¢, minute adjustment of output voltage is possible.
(Refer to the example of basic circuit (PQ05RF1V series) and Fig.5 to 7.)
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