pq1cf2 ETC-unknow, pq1cf2 Datasheet - Page 2

• Manufacturer Part Number: pq1cf2
• Description: To-220 Type Chopper Regulator
• Manufacturer: ETC-unknow

Chopper Regulators
I
I
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
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 dissipation current
SD
QS
V
1
Fig. 1 Test Circuit
IN
V
IN
Electrical Characteristics
Block Diagram
A
Overcurrent
detection
Overheat
detection
+
C
100 F
circuit
circuit
IN
Parameter
1
PQ1CF2
4
3
2
5
regulator
Voltage
L : HK-14D100-2110(made by Toho Co.)
D : ERC80-004(made by Fuji electronics Co.)
A
F/F
3
I
PWM COMP.
CHG
COM
Q
S
R
D R
L
210 H
(Unless otherwise specified, conditions shall be V
+
–
ON/OFF
R
1k
circuit
2
1
Symbol
| R
| R
V
D
V
V
2.2
I
V
V
THON
I
CHG
I
V
fo
I
THH
eg
MAX
THL
SD
eg
qs
fo
sat
ref
L
n
ref
L |
I |
F
+
C
470 F
O
I
–
+
O
I
T
I
V
I
T
r terminal is open
No L,D,C
wr terminal is open
Duty=0%, rterminal=0V, tterminal
Duty=D
rterminal=0V,tterminal
V
V
O
O
O
j
j
IN
IN
IN
=1A,No L,D,C
=0 to 125˚C
=0.2 to 1A
=1A
=0 to 125˚C
=8 to 35V
=40V, rterminal=0V
=40V, tterminal=3V
V
O
V
MAX
ref
O
, rterminal is open. tterminal
Conditions
O
––
––
Fig. 2 Power Dissipation vs. Ambient
Note) Oblique line portion : Overheat protection may operate in this area.
2
5
4
20
15
10
V
V
O
5
0
OUT
C
ADJ
–20
Temperature
IN
=12V, I
Ambient temperature T
0
O
P
P
P
=0.2A, V
MIN.
1.235
P
D1
D2
1.55
1.95
3.25
1.05
–15
D1
80
90
––
––
––
––
––
––
––
––
D2
20
:No heat sink
:With infinite heat sink
O
=5Vt terminal is open. T
40
TYP.
1.26
2.25
3.55
100
150
0.9
0.1
0.5
2.0
–10
1.4
82
––
0.5
8
6
60
MAX.
1.285
a
2.55
3.85
1.75
120
400
1.5
1.5
2.5
2.6
(˚C)
––
––
––
––
12
–5
80
PQ1CF2
100
Unit
kHz
a
mA
=25˚C)
V
V
%
%
%
%
%
%
A
V
V
V
A
A