PQ3RF43 Datasheet, PDF (1/4 Pages) Sharp Electrionic Components – 3.3V/4.6V Output Low Power-Loss Voltage Regulator

Low Power-Loss Voltage Regulators
PQ3RF43
PQ3RF43
s Features
¡Low power-loss
(Dropout voltage : MAX.0.5V at Io = 4.0A)
(Dropout voltage : MAX.1.0V at Io = 4.6A)
¡Compact resin full-mold package (TO-220 package)
¡3.3V/4.6A output type
¡High-precision output voltage type
Output voltage precision : ±2.5%
¡Built-in ON/OFF control function
¡Built-in overcurrent protection, overheat protection
function
3.3V/4.6V Output Low Power-Loss Voltage Regulator
s Outline Dimensions
10.2MAX
(Unit : mm)
4.5±0.2
2.8±0.2
PQ3RF43 ^{φ3.2±0.1}
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
3-(2.54)
(1.5)
(0.5)
s Applications
¡Power supplies for various electronic equipment such as
personal computers
1q 2q 3q 4q
Internal connection diagram
1
2
Control circuit
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
8 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
V
4.6
A
1.8
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. ”