Output voltage 5V Output 9V Output 12V Output 15V Output
Output voltage
PQ05RF2 PQ09RF2 PQ12RF2 PQ15RF2
precision:±5%
Output voltage
PQ05RF21 PQ09RF21 PQ12RF21 PQ15RF21
precision:±2.5%
Minute adjustment
(Output voltage
adjustment range:±10%)
3–(2.54)
(0.5)
PQ05RF2V PQ09RF2V PQ12RF2V PQ15RF2V
➀➁➂➃
Internal connection diagram
s
q
Applications
➀
Specific IC
Series power supply for various electronic equipment such as
VCRs, electronic munic instruments
➁
➃
➂
PQ05RF2/21series
➀
DC input(V
IN
)
➁
DC output(V
O
)
➂
GND
➃
ON/OFF control
terminal(V
C
)
PQ05RF2Vseries
➀
DC input(V
IN
)
➁
DC output(V
O
)
➂
GND
➃
Output voltage
minute
adjustment
terminal(V
ADJ
)
s
Equivalent Circuit Diagram
1
PQ05RF2series/PQ05RF21series
2
1
PQ05RF2Vseries
2
–
+
Reference
voltage
generation
circuit
–
+
Reference
voltage
generation
circuit
❇ASO
protection
circuit
4
❇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 ".
4.8MAX
15.6±0.5
15.6±0.5
(1.5)
Low power-loss(Dropout voltage: MAX. 0.5V)
q
Compact resin full-mold package.
q
Built-in ON/OFF control terminal(PQ05RF2/PQ05RF21
series)
q
Built-in output voltage minute adjustment terminal(ripple
7.4±0.2
3.6±0.2
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/
241
Low Power-Loss Voltage Regulators
PQ05RF2/PQ05RF21/PQ05RF2V Series
(T
a
=25˚C)
Symbol
V
IN
Rating
35
35
2
1.5
18
150
–20 to +80
–40 to +150
260 (For 10s)
Unit
V
V
A
W
W
˚C
˚C
˚C
˚C
s
❇1
❇1
Absolute Maximum Ratings
Parameter
Input voltage
ON/OFF control terminal voltage
PQ05RF2 series
PQ05RF21 series
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
❇2
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.
s
Electrical Characteristics
(Unless otherwise specified, condition shall be Io=1A, T
a
=25˚C,
❇3
)
Conditions
MIN.
4.75
8.55
11.4
14.25
4.88
8.78
11.7
14.63
−
−
−
45
55
−
2.0
❇6
−
−
−
−
4.5
8.1
10.8
13.5
TYP.
5.0
9.0
12.0
15.0
5.0
9.0
12.0
15.0
0.5
0.5
±0.02
55
−
−
−
−
−
−
−
5.0
9.0
12.0
15.0
MAX.
5.25
9.45
12.6
15.75
5.12
9.22
12.3
15.37
2.0
2.5
−
−
−
0.5
−
20
0.8
–0.4
10
5.5
9.9
13.2
16.5
Unit
Parameter
Symbol
PQ05RF2/PQ05RF2V
PQ09RF2/PQ09RF2V
PQ12RF2/PQ12RF2V
PQ15RF2/PQ15RF2V
Output voltage
V
O
PQ05RF21
PQ09RF21
PQ12RF21
PQ15RF21
Load regulation
R
eg
L
Line regulation
R
eg
I
Temperature coefficient of output voltage
TcVo
PQ05RF2/PQ05RF21Series
Ripple rejection
RR
PQ05RF2VSeries
Dropout voltage
V
i
-o
ON-state voltage for control
PQ05RF2/PQ05RF21Series
V
C
(
ON
)
ON-state current for current
PQ05RF2/PQ05RF21Series
I
C
(
ON
)
OFF-state voltage for control
PQ05RF2/PQ05RF21Series
V
C
(
OFF
)
OFF-state current for control
PQ05RF2/PQ05RF21Series
I
C
(
OFF
)
Quiescent current
I
q
PQ05RF2V
Output voltage
PQ09RF2V
minute adjustment
V
O
(
ADJ
)
PQ12RF2V
range
PQ15RF2V
❇3
❇4
−
V
I
O
=5mA to 2A
❇4
T
j
=0 to 125˚C
I
O
=0.5A Refer to Fig.2
❇5
, I
O
=2A
−
V
C
=2.7V
−
V
C
=0.4V
I
O
=0
−
%
%
%/˚C
dB
dB
V
V
µA
V
mA
mA
V
PQ05RF2 Series:
V
IN
=7V,
PQ09RF2 Series:
V
IN
=15V,
PQ12RF2 Series:V
IN
=18V,
PQ15RF2 Series:
V
IN
=23V
PQ05RF2/PQ05RF21/PQ05RF2V:
V
IN
=6 to 12V
PQ09RF2/PQ09RF21/PQ09RF2V:
V
IN
=10 to 25V
PQ12RF2/PQ12RF21/PQ12RF2V:
V
IN
=13 to 29V
PQ15RF2/PQ15RF21/PQ15RF2V:
V
IN
=16 to 32V
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
❇6
In case of opening control terminal
➃,
output voltage turns on.(PQ05RF2/PQ05RF21
Series)
❇5
242
Low Power-Loss Voltage Regulators
Fig. 1 Test Circuit
PQ05RF2/PQ05RF21series
V
IN
1
2
4
3
0.33µF
V
C
47µF
V
O
V
IN
PQ05RF2/PQ05RF21/PQ05RF2V Series
PQ05RF2Vseries
1
2
4
3
0.33µF
47µF
+
3.3µF
+
V
O
A
+
I
O
A
R
L
I
O
A
I
q
I
C
V
R
L
V
A
A
I
q
Fig. 2 Test Circuit of Ripple Rejection
PQ05RF2/PQ05RF21series
1
e
i
3
V
IN
0.33µF
47µF
2
4
+
+
PQ05RF2Vseries
1
e
i
R
L
V
e
o
f=120Hz(sine wave)
e
i(rms)
=0.5V
RR=20 log(e
i(rms)
/e
o(rms)
)
3
V
IN
0.33µF
47µF
2
4
+
3.3µF
+
+
R
L
V
e
o
f=120Hz(sine wave)
e
i(rms)
=0.5V
RR=20 log(e
i(rms)
/e
o(rms)
)
Fig. 3 Power Dissipation vs. Ambient
Temperature
20
P
D2
P
D1 :
No heat sink
P
D2 :
With infinite heat sink
Fig. 4 Overcurrent Protection Characteristics
(Typical value)
100
Relative output voltage (%)
Power dissipation P
D
(W)
15
80
60
40
20
0
10
5
P
D1
0
–20
0
50
100
150
Ambient temperature T
a
(˚C)
Oblique line portion : Overheat protection may operate in this area.
0
1.0
2.0
3.0
Output current I
O
(A)
4.0
Note)
Fig. 5 Output Voltage Minute Adjustment
Characteristics (PQ05RF2V)
6.0
R
1
=390Ω
R
1
=1kΩ
Output voltage V
O
(V)
Fig. 6 Output Voltage Minute Adjustment
Characteristics (PQ09RF2V)
R
1
=390Ω
R
1
=1kΩ
5.5
R
1
=
3.9kΩ
Output voltage V
O
(V)
9.9
R
1
=3.9kΩ
5.0
9.0
4.5
8.1
10
2
10
3
R
2
(Ω)
10
4
10
3
10
4
R
2
(Ω)
10
5
243
Low Power-Loss Voltage Regulators
Fig. 7 Output Voltage Minute Adjustment
Characteristics (PQ12RF2V)
13.2
R
1
=390Ω
R
1
=1kΩ
PQ05RF2/PQ05RF21/PQ05RF2V Series
Fig. 8 Output Voltage Minute Adjustment
Characteristics (PQ15RF2V)
16.5
R
1
=390Ω
R
1
=1kΩ
R
1
=3.9kΩ
Output voltage V
O
(V)
Output voltage V
O
(V)
R
1
=3.9kΩ
12.0
15.0
10.8
10
3
13.5
10
R
2
(Ω)
4
10
5
10
3
10
4
R
2
(Ω)
10
5
Fig. 9 Output Voltage Deviation vs. Junction
Temperature (PQ05RF2/PQ05RF21/PQ05RF2V)
150
Output voltage deviation
∆V
O
(mV)
V
IN
=7V
I
O
=0.5A
Fig.10 Output Voltage Deviation vs. Junction
Temperature (PQ09RF2/PQ09RF21/PQ09RF2V)
250
Output voltage deviation
∆V
O
(mV)
150
100
50
0
–50
–100
–150
–25
100
V
IN
=15V
I
O
=0.5A
50
0
–50
–100
–25
0
25
50
75
100
Junction temperature T
j
(˚C)
125
0
25
50
75
100
Junction temperature T
j
(˚C)
125
Fig.11 Output Voltage Deviation vs. Junction
Temperature (PQ12RF2/PQ12RF21/PQ12RF2V)
250
Fig.12 Output Voltage Deviation vs. Junction
Temperature (PQ15RF2/PQ15RF21/PQ15RF2V)
250
Output voltage deviation
∆V
O
(mV)
200
150
100
50
0
–50
–100
–150
–200
–25
Output voltage deviation
∆V
O
(mV)
V
IN
=18V
I
O
=0.5A
200
150
100
50
0
–50
–100
–150
V
IN
=23V
Io=0.5A
0
25
50
75
100
Junction temperature T
j
(˚C)
125
–200
–25
0
25
50
75
100
Junction temperature T
j
(˚C)
125
244
Low Power-Loss Voltage Regulators
Fig.13 Output Voltage vs. Input Voltage
(PQ05RF2/PQ05RF21/PQ05RF2V)
8
7
PQ05RF2/PQ05RF21/PQ05RF2V Series
Fig.14 Output Voltage vs. Input Voltage
(PQ09RF2/PQ09RF21/PQ09RF2V)
10
Output voltage V
O
(V)
Output voltage V
O
(V)
6
5
4
3
2
1
0
0
2
4
6
8
Input voltage V
IN
(V)
10
R
L
=∞
R
L
=5Ω
R
L
=2.5Ω
R
L
=∞
5
R
L
=9Ω
R
L
=4.5Ω
0
0
5
10
15
Input voltage V
IN
(V)
Fig.15 Output Voltage vs. Input Voltage
(PQ12RF2/PQ12RF21/PQ12RF2V)
20
Fig.16 Output Voltage vs. Input Voltage
(PQ15RF2/PQ15RF21/PQ15RF2V)
20
Output voltage V
O
(V)
R
L
=∞
10
R
L
=12Ω
R
L
=6Ω
Output voltage V
O
(V)
15
15
R
L
=∞
10
R
L
=15Ω
R
L
=7.5Ω
5
5
0
0
5
10
15
20
Input voltage V
IN
(V)
25
0
0
5
10
15
20
Input voltage V
IN
(V)
25
Fig.17 Circuit Operating Current vs. Input Voltage
(PQ05RF2/PQ05RF21/PQ05RF2V)
80
Fig.18 Circuit Operating Current vs. Input Voltage
1. Enter WEBENCH, select LED in the designer, input voltage and start. 2. Select LED type, power supply, etc. 3. Make a comprehensive comparison. 4. You can make some adjustments to some details here:...
A friend recommended Ghost Blows Out the Light to me, and it's a good book. But I'm afraid it's too big to upload, so I can only recommend it to you here. If you have time, you can download the electr...
I need an Altera USB Blaster download cable. I just started learning. I can't afford the expensive ones. Can you tell me the price? Thanks.This download cable is suitable for downloading and debugging...
I wrote an application under wince6. To access the physical address, I found that VirtualCopy cannot be used. The error code 87 is returned, indicating that the parameter error code is as follows: LPV...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Analogue and Mixed Signal
京公网安备 11010802033920号
EEWORLD
