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PQ1CF1 [SHARP]

TO-220 Package Chopper Regulator; TO- 220封装斩波稳压器
PQ1CF1
型号： PQ1CF1
厂家： SHARP ELECTRIONIC COMPONENTS    SHARP ELECTRIONIC COMPONENTS
描述：

TO-220 Package Chopper Regulator
TO- 220封装斩波稳压器

稳压器
文件： 总3页 (文件大小：32K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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Chopper Regulators  
PQ1CF1  
PQ1CF1  
TO-220 Package Chopper Regulator  
(Unit : mm)  
■ Features  
■ Outline Dimensions  
¡Maximum switching current : 3.5A  
¡With ON/OFF control function  
¡Built-in oscillation circuit  
(oscillation frequency : TYP.70kHz)  
4.5±0.2  
10.2MAX  
¡Built-in overheat protection, overcurrent protection function  
¡Variable output voltage (1.26 to 35V /-1.26 to -30V)  
[Possible to choose step down output/inversing output according  
to external connection circuit]  
2.8±0.2  
φ3.2±0.1  
PQ1CF1  
(1.5)  
■ Applications  
¡Facsimiles  
(0.5)  
5-0.8±0.1  
4-(1.7)  
3.2±0.5  
¡Printers  
(5.0)  
8.2±0.7  
¡Switching power supplies  
¡Personal computers  
1●2●3●4●5●  
1 VIN  
2 VOUT  
3 COM  
4 OADJ  
5 V  
C
■ Absolute Maximum Ratings  
(T  
a
=25˚C)  
Parameter  
Symbol  
Rating  
Unit  
V
*1  
Input voltage  
V
IN  
40  
Error input voltage  
Input-output voltage  
V
V
ADJ  
7
41  
V
V
i
-o  
*2  
*3  
Output-COM voltage  
V
V
I
P
P
T
T
T
OUT  
-1  
V
V
A
W
W
˚C  
˚C  
˚C  
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  
C
-0.3 to 40  
3.5  
1.5  
15  
150  
-20 to +80  
-40 to +150  
260 (For 10s) ˚C  
SW  
D1  
D2  
*4  
j
opr  
stg  
sol  
T
*1  
*2  
*3  
*4  
Voltage between VIN terminal and COM terminal.  
Voltage between VOUT terminal and COM terminal.  
Voltage between V  
C
terminal and COM terminal.  
=<150˚C  
· Please refer to the chapter“ Handling Precautions ”.  
Overheat protection may operate at 125=<T  
j
“ 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. ”  
Chopper Regulators  
PQ1CF1  
■ Electrical Characteristics  
(Unless otherwise specified, conditions shall be VIN=12V, Io=0.5A, VO=5V, Ta=25˚C)  
Parameter  
Output saturation voltage  
Reference voltage  
Temperature coefficient in reference voltage  
Load regulation  
Symbol  
Conditions  
MIN.  
TYP.  
1.4  
1.26  
±0.6  
0.2  
0.6  
80  
70  
±5  
-
5.1  
-30  
-100  
0.9  
1.8  
0.6  
140  
8
MAX.  
1.8  
1.285  
-
1.5  
2.5  
-
80  
-
-
6.3  
-10  
-50  
1.2  
2.05  
0.7  
400  
16  
Unit  
V
V
I
SW=3A  
VSAT  
-
1.235  
-
-
-
-
60  
-
90  
3.9  
-50  
-150  
0.75  
1.55  
0.5  
-
-
Vref  
T
j
=0 to 125˚C  
∆Vref  
|RegL|  
|RegI|  
η
fo  
∆fo  
%
%
%
%
kHz  
%
%
A
µA  
µA  
V
V
V
IO=0.5 to 3A  
Line regulation  
Efficiency  
V
IN=8 to 35V  
=3A  
IO  
Oscillation frequency  
Oscillation frequency temperature fluctuation  
Maximum duty  
Overcurrent detecting level  
Charge current1  
-
T
j=0 to 125˚C  
4terminal is open  
D
MAX  
-
IL  
24terminal is open, 5terminal  
24terminal is open, 5terminal=0.7V  
Duty=0%, 4terminal=0V, 5terminal  
Duty=DMAX, 4terminal is open,5terminal  
4terminal=0V, 5terminal  
ICHG1  
Charge current2  
ICHG2  
V
V
THL  
THH  
Input threshold voltage  
On threshold voltage  
Stand-by current  
Output OFF-state consumption current  
VTH  
(
ON)  
V
V
IN=40V, 5terminal=0V  
IN=40V, 5terminal=0.7V  
I
SD  
µA  
mA  
IqS  
-
■ Block Diagram  
2 VOUT  
1 VIN  
Voltage  
regulator  
circuit  
ON/OFF  
circuit  
↓
PWM COMP.  
+
-
Q
R
S
Overcurrent  
detecting  
circuit  
F/F  
4 OADJ  
ERROR AMP.  
+
-
Vref  
Overheat  
detecting  
circuit  
Fig.2 Power Dissipation vs. Ambient  
3 COM  
5 V  
C
Temperature  
20  
Fig.1 Test Circuit  
PD1 :No heat sink  
P
D2 :With infinite heat sink  
P
D2  
15  
10  
5
L
90µH  
I
O
4●  
VO  
I
I
SD  
QS  
1●  
2●  
5●  
PQ1CF1  
A
R
2
+
+
3●  
VIN  
5.1kΩ  
D
R1  
0.068µF  
C
O
C
IN  
1kΩ  
1000µF  
220µF  
L : HK-12S120-9000R (made by Toho Co.)  
D : ERC80-004 (made by Fuji electronics Co.)  
P
D1  
0
-20  
0
20  
40  
60  
80  
100  
Ambient temperature T  
a
(˚C)  
Note) Oblique line portion : Overheat  
protection may operate in this area.  
Chopper Regulators  
PQ1CF1  
■ Step Down Type Circuit Diagram (5V output)  
L
90µH  
4●  
VO=5V  
1●  
2●  
PQ1CF1  
5●  
R
2
3kΩ  
+
+
V
IN  
3●  
R
C
C
220µF  
IN  
C
O
8 to 35V  
D
R
1
5.1kΩ  
C
1000µF  
1kΩ  
C
0.068µF  
ON/OFF control  
■ Polarity Inversion Type Circuit Diagram (-5V output)  
L
65µH  
4●  
1●  
2●  
PQ1CF1  
5●  
R2  
3kΩ  
+
+
VIN  
5 to 30V  
3●  
RC  
CIN  
220µF  
CO  
2200µF  
D
R1  
1kΩ  
5.1kΩ  
CC  
0.068µF  
VO=-5V  
ON/OFF control  

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