Chopper Regulator. PQ1CG1 Datasheet

PQ1CG1 Regulator. Datasheet pdf. Equivalent

Part PQ1CG1
Description Chopper Regulator
Feature ( DataSheet : www.DataSheet4U.com ) www.DataSheet4U.com www.DataSheet4U.com .
Manufacture Sharp Microelectronics
Datasheet
Download PQ1CG1 Datasheet

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Recommendation Recommendation Datasheet PQ1CG1 Datasheet




PQ1CG1
Chopper Regulators
PQ1CG1
s Features
q Maximum switching current: 1.5A
q Built-in oscillation circuit
(Oscillation frequency: TYP.100kHz)
q Built-in overheat protection, overcurrent protection
function
q Variable output voltage(Vref to 35V/-Vref to -30V)
[Possible to select step-down output / porality inversion
output according to external connection circuit]
s Applications
q Personal computers
q Printers
PQ1CG1
TO-220 Type Chopper Regulator
s Outline Dimensions
(Unit : mm)
10.2MAX.
4 ( φ1.4) 4.5±0.2
2.8±0.2
PQ1CG1
φ3.2±0.1
Epoxy resin
4
1.4±
0.3
0
4
0.6±
0.2
0.1
(1.5)
3 (2.54)
(0.5)
1 VIN
2 COM
3 VOUT
4 OADJ
12 3 4
( ) : Typical dimensions
s Absolute Maximum Ratings
Parameter
1 Input voltage
Output adjustment terminal voltage
Dropout voltage
2 Output-COM voltage
Switching current
Symbol
VIN
VADJ
Vi-O
VOUT
ISW
3 Power dissipation
4 Junction temperature
Operating temperature
Storage temperature
PD1
PD2
Tj
Topr
Tstg
Soldering temperature
Tsol
1 Voltage between VIN and COM
2 Voltage between VOUT and COM
3 PD1: No heat sink, PD2: With infinite heat sink
4 Overheat protection may operate at 125 <=Tj <=150˚C.
Rating
40
7
41
1
1.5
1.4
14
150
20 to +80
40 to +150
260(For 10s)
(Ta=25˚C)
Unit
V
V
V
V
A
W
W
˚C
˚C
˚C
˚C
• Please refer to the chapter " Handling Precautions ".
Notice 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 device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/



PQ1CG1
Chopper Regulators
PQ1CG1
s Electrical Characteristics
Parameter
Symbol
Output saturation voltage
VSAT
Reference voltage
Vref
Reference voltage temperature fluctuation Vref
Load regulation
|RegL|
Line regulation
|RegI|
Efficiency
η
Oscillation frequency
fo
Oscillation frequency temperature fluctuation fo
Maximum duty
DMAX
Overcurrent detection level
IL
OFF-state dissipation current
Iqs
(Unless otherwise specified, VIN=12V, Io=0.2A,Vo=5V, Ta=25˚C)
Conditions
Io=1A, No L, D, Co
––
Tj=0 to 125˚C
Io=0.2 to 1A
VIN=8 to 35V
Io=1A
––
Tj=0 to 125˚C
4 terminal=open
No L, D, Co
VIN=40V, No.4 pin=3V
MIN.
––
1.235
––
––
––
––
80
––
90
1.55
––
TYP.
1
1.26
±0.5
0.1
0.5
82
100
±2
––
2
8
MAX.
1.5
1.285
––
1.5
2.5
––
120
––
––
2.6
12
Unit
V
V
%
%
%
%
kHz
%
%
A
mA
Fig. 1 Test Circuit
Iqs A
VIN
4
13
+
CIN
100µF
2
L
210µH
IO VO
D R2
+
R1
1k
2.2nF
CO
470µF
Road
L : HK-14D100-2110 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
Fig. 2 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
PD2 :With infinite heat sink
15 PD2
10
;;;5
;;;PD1
0
;;;20 0
20 40 60 80
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
Fig. 3 Overcurrent Protection
Characteristics (Typical Value)
7
Ta=25˚C
VIN=12V
6
Vo=5V
CIN=100µF
5
Co=470µF
L=210µH
4
3
2
1
0
0 0.5 1 1.5 2 2.5 3 3.5 4
Output current Io (A)
Fig. 4 Efficiency vs. Input Voltage
100
Tj=25˚C
90
VO=12V, IO=1.0A
80
VO=12V, IO=0.2A
70
VO=5V, IO=1.0A
60 VO=5V, IO=0.2A
50
0 10 20 30 40
Input voltage VIN (V)





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