Chopper Regulators
PQ1CF1
PQ1CF1
TO-220 Package Chopper Regulator
s
Features
隆Maximum
switching current : 3.5A
隆With
ON/OFF control function
隆Built-in
oscillation circuit
(oscillation frequency : TYP.70kHz)
隆Built-in
overheat protection, overcurrent protection function
隆Variable
output voltage (1.26 to 35V /-1.26 to -30V)
[Possible to choose step down output/inversing output according
to external connection circuit]
(24.6)
s
Outline Dimensions
(Unit : mm)
10.2MAX
蠁3.2鹵0.1
4.5鹵0.2
2.8鹵0.2
7.4鹵0.2
3.6鹵0.2
PQ1CF1
(1.5)
2.0
隆Facsimiles
隆Printers
隆Switching
power supplies
隆Personal
computers
5-0.8鹵0.1
(0.5)
3.2鹵0.5
4-(1.7)
(5.0)
8.2鹵0.7
1q 3q 5
q
2q 4q
1
V
IN
2
V
OUT
3
COM
4
O
ADJ
5
V
C
s
Absolute Maximum Ratings
*1
(T
a
=25藲C)
Symbol
V
IN
V
ADJ
V
i
-o
V
OUT
V
C
I
SW
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
Rating
40
7
41
-1
-0.3 to 40
3.5
1.5
15
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
V
V
V
V
A
W
W
藲C
藲C
藲C
藲C
*2
*3
*4
Parameter
Input voltage
Error input voltage
Input-output voltage
Output-COM voltage
ON/OFF control voltage
Switching current terminal voltage
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Voltage between V
IN
terminal and COM terminal.
Voltage between V
OUT
terminal and COM terminal.
*3
Voltage between V
C
terminal and COM terminal.
*4
Overheat protection may operate at 125=<T
j
=<150藲C
*2
*1
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
s
Applications
5.0鹵0.5
16.4鹵0.7
1
2
3
