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PDF PQ3RF23 Data sheet ( Hoja de datos )
| Número de pieza | PQ3RF23 | |
| Descripción | 3.3V Output / High Output Current (2A / 3.5A) Type Low Power-loss Voltage Regulators | |
| Fabricantes | Sharp | |
| Logotipo |  |
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Low Power-Loss Voltage Regulators
PQ3RF23/PQ3RF33
PQ3RF23/PQ3RF33
3.3V Output, High Output Current (2A, 3.5A) Type Low Power-loss Voltage Regulators
s Features
¡3.3V output
¡High output current
2A type : PQ3RF23
3.5A type : PQ3RF33
¡Compact resin full-mold package (TO-220 package)
¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡High-precision output voltage type
Output voltage precision : ±2.5%
¡Built-in ON/OFF control function
¡Built-in overcurrent protection, overheat protection function
s Outline Dimensions
10.2MAX
PQ3RF23 φ3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
s Applications
¡Power supplies for various electronic equipment such as
personal computers
3-(2.54)
1q 2q 3q 4q
(Unit : mm)
4.5±0.2
2.8±0.2
(1.5)
(0.5)
Internal connection diagram
1
Control circuit
2
4
3
1 DC input (VIN)
2 DC output (VO)
3 GND
4 ON/OFF control
terminal (VC)
s Absolute Maximum Ratings
Parameter
*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=<Tj=<150˚C.
Symbol
VIN
VC
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
Rating
Unit
10 V
10
PQ3RF23
PQ3RF33
PQ3RF23
PQ3RF33
2
3.5
1.5
1.8
V
A
W
18 W
150 ˚C
-20 to +80
˚C
-40 to +150
˚C
260(For 10s.)
˚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. ”
1 page  
Low Power-Loss Voltage Regulators
Fig.17 Ripple Rejection vs. Input Ripple
Frequency
(PQ3RF23)
80
70
VIN=5V
IO=0.5A
ei=0.5Vrms
60
50
40
30
20
10
0
0.1 1
10 100
Input ripple frequency f (kHz)
Fig.19 Ripple Rejection vs. Output Current
(PQ3RF23)
80
70
VIN=5V
ei=0.5Vrms
f=120Hz
60
50
40
0 0.5 1 1.5 2
Output current IO (A)
Fig.21 Output Peak Current vs. Junction
Temperature
6.0 (PQ3RF23)
VIN=10V
5.5
VIN=7V
5.0
4.5 VIN=5V
4.0 VIN=4.3V
3.5
3.0 IOP:Output current when VIN=3.8V
output voltage is 95%
2.5 in comparison with
2.0 the initial value
-25 0 25 50
75 100 125
Junction temperature Tj (˚C)
PQ3RF23/PQ3RF33
Fig.18 Ripple Rejection vs. Input Ripple
Frequency
(PQ3RF33)
80
70
VIN=5V
IO=0.5A
ei=0.5Vrms
60
50
40
30
20
10
0
0.1 1 10 100
Input ripple frequency f (kHz)
Fig.20 Ripple Rejection vs. Output Current
(PQ3RF33)
80
70
VIN=5V
ei=0.5Vrms
f=120Hz
60
50
40
30
0 0.5 1 1.5 2 2.5 3
Output current IO (A)
Fig.22 Output Peak Current vs. Junction
Temperature
8.0 (PQ3RF33)
VIN=10V
7.5 VIN=7V
7.0 VIN=5V
6.5
VIN=4.3V
6.0
5.5
5.0
4.5
4.0
-25
VIN=3.8V
IOP:Output current when
output voltage is 95% in
comparison with the initial value
0 25 50 75 100 125
Junction temperature Tj (˚C)
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PQ3RF23.PDF ] | |
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