pq1cg1 ETC-unknow, pq1cg1 Datasheet - Page 2

• Manufacturer Part Number: pq1cg1
• Description: To-220 Type Chopper Regulator
• Manufacturer: ETC-unknow

Chopper Regulators
Fig. 1 Test Circuit
Fig. 3 Overcurrent Protection
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Maximum duty
Overcurrent detection level
OFF-state dissipation current
Electrical Characteristics
Iqs
V
IN
7
6
5
4
3
2
1
0
A
0
L : HK-14D100-2110 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
Characteristics (Typical Value)
T
Parameter
0.5
a
=25˚C
+
C
100 F
IN
Output current Io (A)
1
1
1.5
4
2
3
2
2.5
V
Vo=5V
C
Co=470 F
L=210 H
D
IN
IN
3
Symbol
L
210 H
=12V
=100 F
|R
|R
D
V
V
I
V
fo
I
eg
MAX
R
R
1k
SAT
eg
qs
fo
ref
L
3.5
ref
2
1
L|
I|
2.2
4
n
Io=1A, No L, D, Co
Tj=0 to 125˚C
Io=0.2 to 1A
V
Io=1A
Tj=0 to 125˚C
No L, D, Co
V
F
4
IN
IN
+
terminal=open
C
470 F
=8 to 35V
=40V, No.4 pin=3V
O
I
O
V
O
Road
Conditions
––
––
(Unless otherwise specified, V
Fig. 2 Power Dissipation vs. Ambient
Note) Oblique line portion : Overheat protection may operate in this area.
Fig. 4 Efficiency vs. Input Voltage
100
20
15
10
90
80
70
60
50
5
0
–20
0
Temperature
T
V
j
O
=25˚C
=12V, I
Ambient temperature T
V
0
O
P
P
10
Input voltage V
=5V, I
D1
D2
P
P
D1
O
D2
:No heat sink
:With infinite heat sink
=0.2A
MIN.
1.235
1.55
V
20
––
––
––
––
––
80
––
90
––
O
O
=12V, I
=1.0A
V
IN
20
O
=12V, Io=0.2A,Vo=5V, T
=5V, I
40
TYP.
1.26
100
0.1
0.5
O
IN
82
––
0.5
1
2
8
=1.0A
2
(V)
O
30
=0.2A
a
60
(˚C)
MAX.
1.285
120
1.5
1.5
2.5
2.6
12
––
––
––
––
PQ1CG1
80
40
a
Unit
kHz
=25˚C)
mA
V
V
%
%
%
%
%
%
A