Chopper Regulator. PQ1CF2 Datasheet

PQ1CF2 Regulator. Datasheet pdf. Equivalent

Part PQ1CF2
Description TO-220 Package Chopper Regulator
Feature Chopper Regulators PQ1CF2 PQ1CF2 TO-220 Package Chopper Regulator s Features ¡Maximum switching cu.
Manufacture Sharp
Datasheet
Download PQ1CF2 Datasheet

Chopper Regulators PQ1CF2 PQ1CF2 TO-220 Package Chopper Re PQ1CF2 Datasheet
Recommendation Recommendation Datasheet PQ1CF2 Datasheet




PQ1CF2
Chopper Regulators
PQ1CF2
PQ1CF2
TO-220 Package Chopper Regulator
s Features
¡Maximum switching current : 1.5A
¡Built-in ON/OFF control function
¡Built-in soft start function
¡Built-in oscillation circuit
(oscillation frequency : TYP.100kHz)
¡Built-in overheat protection, overcurrent protection function
¡TO-220 package
¡Variable output voltage
(1.26 to 35V/-1.26 to-30V)
[Possible to choose step down output/inversing output according
to external connection circuit]
s Applications
¡Switching power supplies
¡Facsimiles
¡Printers
¡Personal computers
s Outline Dimensions
(Unit : mm)
10.2MAX
φ3.2±0.1
4.5±0.2
2.8±0.2
PQ1CF2
(1.5)
5-0.8±0.1 (0.5)
4-(1.7)
(5.0)
3.2±0.5
8.2±0.7
1q 2q 3q 4q 5q
1 VIN
2 VOUT
3 COM
4 OADJ
5 ON/OFF control
terminal (VC)
s Absolute Maximum Ratings
Parameter
*1 Input voltage
Error input voltage
Input-output voltage
*2 Output-COM voltage
*3 ON/OFF control valtage
Switching current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*4 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1 Voltage between VIN terminal and COM terminal.
*2 Voltage between VOUT terminal and COM terminal.
*3 Voltage between VC terminal and COM terminal.
*4 Overheat protection may operate at 125=<Tj=<150˚C
Symbol
VIN
VADJ
Vi-o
VOUT
VC
ISW
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
Rating
Unit
40
7
41
-1
-0.3 to 40
1.5
1.5
15
150
-20 to +80
-40 to +150
260 (For 10s)
V
V
V
V
V
A
W
W
˚C
˚C
˚C
˚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. ”



PQ1CF2
Chopper Regulators
PQ1CF2
s Electrical Characteristics
Parameter
Output saturation voltage
Reference voltage
Temperature fluctuation in reference voltage
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Maximum duty
Overcurrent detecting level
Charge current
Input threshold voltage
On threshold voltage
Stand-by current
Output OFF-state consump-tion current
(Unless otherwise specified, conditions shall be VIN=5V, IO=2.5A, VO=3V[R1=2k]Ta=25˚C)
Symbol
Conditions
MIN. TYP. MAX. Unit
Vsat IO=1A,No L,D,CO
-
0.9 1.5
V
Vref
-
1.235 1.26 1.285
V
Vref Tj=0 to 125˚C
- ±0.5 -
%
|RegL| IO=0.2 to 1A
- 0.1 1.5 %
|RegI| VIN=8 to 35V
- 0.5 2.5 %
η IO=1A
- 82 - %
fo - 80 100 120 kHz
fo Tj=0 to 125˚C
- ±2 - %
DMAX 4 terminal is open
90 -
-%
IL No L,D,CO
1.55 2.0
2.6
A
ICHG 24 terminal is open
-15 -10 -5 µA
VTHL Duty=0%, 4terminal=0V, 5terminal 1.95 2.25 2.55
V
VTHH Duty=DMAX, 4terminal is open. 5terminal 3.25 3.55 3.85
V
VTHON 4terminal=0V,5terminal
1.05 1.4 1.75
V
ISD VIN=40V, 4terminal=0V
- 150 400 µA
Iqs VIN=40V, 5terminal=3V
- 8 12 mA
s Block Diagram
1 VIN
2 VOUT
Overcurrent
detection
circuit
Voltage
regulator
ON/OFF
circuit
PWM COMP.
+
-
Q
F/F R
S
Overheat
detection
circuit
3 COM
Fig.1 Test Circuit
+
-
Vref
ISD
IQS A
VIN
4q
1q 2q
PQ1CF2
+ 5q
3q
CIN
100µF
A
ICHG
L
210µH
2.2nF
IO
R2
D R1
1k
+
CO
470µF
VO
L : HK-14D100-2110 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
5 ON/OFF
4 OADJ
Fig.2 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
PD2 :With infinite heat sink
PD2
15
,,10
,,5
,,PD1
0
,,-20 0 20 40 60 80 100
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat
protection may operate in this area.





@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)