Chopper Regulators
PQ1CG2032FZ/PQ1CG2032RZ
(Unless otherwise specified, condition shall be V
IN
=12V,
I
O
=0.2A,
V
O
=5V,
ON-OFF terminals is open,
Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
Conditions
V
SAT
s
Electrical Characteristics
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
V
ref
∆V
ref
|R
eg
L|
|R
eg
I|
η
f
O
∆f
O
I
L
I
CHG
V
THL
V
THH
V
TH(ON)
I
SD
I
QS
I
SW
=3A
−
T
j
=0
to 125˚C
I
O
=0.5
to 3A
V
IN
=8
to 35V
I
O
=3A
−
T
j
=0
to 125˚C
−
2
,
4
terminals is open,
5
terminal
Duty ratio=0%,
4
terminal=0V,
5
terminal
Duty ratio=100%,
4
terminals is open,
5
terminal
4
terminal=0V,
5
terminal
V
IN
=40V,
5
terminal=0V
V
IN
=40V,
5
terminal=0.9V
−
1.235
1.4
1.26
1.8
1.285
−
−
−
−
60
−
3.6
−
−
−
0.7
−
−
±0.5
0.2
0.5
80
70
±2
4.2
−10
1.3
2.3
0.8
140
8
−
1.5
2.5
−
80
−
5.8
−
−
−
0.9
400
16
V
V
%
%
%
%
kHz
%
A
µA
V
V
V
µA
mA
Fig.1 Test Circuit
4
1
I
SD
I
QS
PQ1CG2032
5
+
V
IN
3
C
IN
220µF
A
I
CHG
D
R
1
1kΩ
C
O
1 000µF
R
2
+
Load
2
L
90µH
I
O
V
O
A
L : HK-12S120-9000 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
20
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
5
Power dissipation P
D
(W)
Output voltage V
O
(V)
15
P
D2
: With infinite heat sink
4
10
3
2
T
a
=25°C
V
IN
=12V
V
O
=5V
5
1
P
D1
: No heat sink
0
−20
0
0
20
40
60
80
100
0
1
2
3
4
5
Ambient temperature T
a
(°C)
Note) Oblique line portion:Overheat protection may operate in this area
Output current I
O
(A)
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
