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
隆3.3V
output
隆High
output current
2A type :
PQ3RF23
3.5A type :
PQ3RF33
隆Compact
resin full-mold package (TO-220 package)
隆Low
power-loss (Dropout voltage : MAX. 0.5V)
隆High-precision
output voltage type
Output voltage precision :
鹵2.5%
隆Built-in
ON/OFF control function
隆Built-in
overcurrent protection, overheat protection function
29.1MAX
7.4鹵0.2
s
Outline Dimensions
10.2MAX
3.6鹵0.2
4.5鹵0.2
(Unit : mm)
2.8鹵0.2
PQ3RF23
4-1.4
13.5MIN
4-0.6
+0.3
-0
+0.2
-0.1
3-(2.54)
(0.5)
s
Applications
隆Power
supplies for various electronic equipment such as
personal computers
1 2 3 4
q q q q
Internal connection diagram
1
Control circuit
2
4
3
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
ON/OFF control
terminal (V
C
)
s
Absolute Maximum Ratings
*1
*1
(T
a
=25藲C)
Symbol
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
Rating
10
10
2
PQ3RF23
3.5
PQ3RF33
1.5
PQ3RF23
1.8
PQ3RF33
18
150
-20 to +80
-40 to +150
260(For 10s.)
Unit
V
V
A
W
W
藲C
藲C
藲C
藲C
Parameter
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
*2
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藲C.
路 Please refer to the chapter鈥?Handling Precautions 鈥?
鈥?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. 鈥?/div>
4.8MAX
15.6鹵0.5
(1.5)
蠁3.2鹵0.1
1
2
3
4
5
6
