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PQ09RF2 Schematic ( PDF Datasheet ) - Sharp Electrionic

Teilenummer PQ09RF2
Beschreibung Low Power-Loss Voltage Regulators
Hersteller Sharp Electrionic
Logo Sharp Electrionic Logo 




Gesamt 9 Seiten
PQ09RF2 Datasheet, Funktion
Low Power-Loss Voltage Regulators
PQ05RF2/PQ05RF21/PQ05RF2V Series
PQ05RF2/21/2V Series
2A Output, Low Power-Loss Voltage Regulators
s Features
q 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
rejection is improved)(PQ05RF2V series)
s Model Line-ups
www.DataSheet4U.com
Output voltage 5V Output 9V Output 12V Output15V Output
Output voltage
precision:±5%
PQ05RF2 PQ09RF2 PQ12RF2 PQ15RF2
Output voltage
precision:±2.5% PQ05RF21 PQ09RF21 PQ12RF21 PQ15RF21
Minute adjustment
(Output voltage
PQ05RF2V PQ09RF2V PQ12RF2V PQ15RF2V
adjustment range:±10%)
s Outline Dimensions
10.2MAX
PQ05RF2 ø3.2±0.1
41.4
+0.3
0
40.6
+0.2
0.1
3(2.54)
➀➁➂➃
(Unit : mm)
4.5±0.2
2.8±0.2
(1.5)
(0.5)
s Applications
q Series power supply for various electronic equipment such as
VCRs, electronic munic instruments
Internal connection diagram
➀➁
Specific IC
s Equivalent Circuit Diagram
PQ05RF2series/PQ05RF21series
1
21
PQ05RF2Vseries
PQ05RF2/21series
DC input(VIN)
DC output(VO)
GND
ON/OFF control
terminal(VC)
PQ05RF2Vseries
DC input(VIN)
DC output(VO)
GND
Output voltage
minute
adjustment
terminal(VADJ)
2
Reference
voltage
generation
circuit
ASO
protection
circuit
+
Reference
voltage
generation
circuit
ASO
protection
circuit
–4
+
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 ".
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/






PQ09RF2 Datasheet, Funktion
Low Power-Loss Voltage Regulators
PQ05RF2/PQ05RF21/PQ05RF2V Series
Fig.19 Circuit Operating Current vs. Input Voltage
(PQ12RF2/PQ12RF21/PQ12RF2V)
80
Fig.20 Circuit Operating Current vs. Input Voltage
(PQ15RF2/PQ15RF21/PQ15RF2V)
80
60
RL=
40
RL=12
20 RL=6
RL=6
RL=12
RL=
0
0 5 10 15 20 25
Input voltage VIN (V)
www.DataSheetF4iUg..c2o1mDropout Voltage vs. Junction
Temperature
0.5
0.4
IO =2A
0.3
1.5A
0.2
1A
0.1 0.5A
0
25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.23 Ripple Rejection vs. Input Ripple Frequency
(PQ05RF2/PQ05RF21/PQ09RF2/PQ09RF21/PQ12RF2/
PQ12RF21/PQ15RF2/PQ15RF21)
80
70
60
50
40
30
Io=0.5A,ei(rms)=0.5V
20 VIN=7V(PQ05RF2/PQ05RF21)
VIN=15V(PQ09RF2/PQ09RF21)
10 VIN=18V(PQ12RF2/PQ12RF21)
VIN=23V(PQ15RF2/PQ15RF21)
0
0.1 1
10
Input ripple frequency f (kHz)
100
60
RL=
40
RL=15
20 RL=7.5
RL=7.5
RL=15
RL=
0
0 5 10 15 20 25 30
Input voltage VIN (V)
Fig.22 Quiescent Current vs. Junction
Temperature
10
VIN =35V
IO =0
8
6
4
2
0
25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.24 Ripple Rejection vs. Input Ripple Frequency
(PQ05RF2V/PQ09RF2V/PQ12RF2V/PQ15RF2V)
80
70
60
50
40
30 Io=0.5A,ei(rms)=0.5V
Cref=3.3µF
20 VIN=7V(PQ05RF2V)
10
VIN=15V(PQ09RF2V)
VIN=18V(PQ12RF2V)
0 VIN=23V(PQ15RF2V)
0.1 1
10
Input ripple frequency f (kHz)
100

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