Chopper Regulators
PQ2CF1
PQ2CF1
s
Features
(Under Development)
TO-220 Package, Step Up Output Chopper Regulator
s
Outline Dimensions
(Unit : mm)
隆Maximum
switching current : 2.5A
隆Built-in
soft start function
隆Built-in
oscillation circuit
(oscillation frequency : TYP.50kHz)
3.6鹵0.2
(24.6)
PQ2CF1
(1.5)
2.0
5.0鹵0.5
s
Applications
隆Personal
computers/Word processors
隆Printers
隆Switching
power supplies
隆Facsimiles
1q 3q 5
q
2q 4q
5-0.8鹵0.1
(0.5)
3.2鹵0.5
4-(1.7)
(5.0)
8.2鹵0.7
路 ( ) : Typical value
路 Radius of lead forming
portion:R=TYP.1.0
1
V
SW
2
V
IN
3
COM
4
V
C
5
O
ADJ
s
Absolute Maximum Ratings
*1
*2
(T
a
=25藲C)
Symbol
V
IN
V
SW
V
ADJ
V
C
I
SW
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
Rating
35
35
7
7
2.5
1.5
15
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
V
V
V
A
W
W
藲C
藲C
藲C
藲C
*3
*4
Parameter
Input voltage
Switching voltage
Error input voltage
ON/OFF control voltage
Switching current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
*2
*3
*4
Voltage between V
IN
terminal and COM terminal
Voltage between V
SW
terminal and COM terminal
Voltage between V
C
terminal and COM terminal
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>
4.4MIN
16.4鹵0.7
[Possible to choose step up output/flyback method
acording to external connection circuit]
7.4鹵0.2
隆Built-in
overheat protection,overcurrent protection
function
隆Variable
output voltage (4.5 to 40V)
10.2MAX
蠁3.2鹵0.1
4.5鹵0.2
2.8鹵0.2
1
2
3
