pq1cz21h2zxh ETC-unknow, pq1cz21h2zxh Datasheet - Page 2

• Manufacturer Part Number: pq1cz21h2zxh
• Description: Low Dissipation Current At Off-state Chopper Regulator
• Manufacturer: ETC-unknow

Fig.1 Test Circuit
Fig.2 Power Dissipation vs.Ambient
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
ON-state current for control
OFF-state current for control
Stand-by current
Output OFF-state dissipation current
Electrical Characteristics
Note) Oblique line portion:Overheat protection may operate in this area
I
I
10
SD
qs
-40
0
8
5
Temperature
V
IN
ON/OFF control logic
-25
HIG H
OPEN
5 pin
LOW
P
A A
D
:With infinite heat sink
Ambient temperature T
Parameter
0
Output
OFF
OFF
ON
C
25
IN
50
+
75 85 100 125
a
(°C)
A
150
(Unless otherwise specified,condition shall be V
I
I
Symbol
V
C(ON)
C (OF F )
①
⑤
|R
|R
I
I
V
TH(ON)
C(OFF)
V
C(ON)
I
I
f
QS
SAT
eg
I
SD
eg
O
ref
L
L|
I|
PQ1CZ21H2ZxH
④
③
④ terminal=0V,⑤ terminal
V
V
Switching current peak
IN
IN
=40V,⑤ terminal=0V
=40V,④ terminal=3V
⑤ terminal=2.7V
⑤ terminal=0.4V
T
T
2
V
②
I
O
j
j
Conditions
=0 to 125℃
IN
=0 to 125℃
=0.2 to 1A
I
=8 to 35V
SW
I
O
－
－
=1A
=1A
Fig.3 Overcurrent Protection
7
6
5
4
3
2
1
0
Characteristics (Typical Value)
0
IN
D
=12V,I
0.5
L：HK-14D100-2110(made by Toho Co.)
D：ERCF80-004(made by Fuji electronics Co.)
L
O
Output current I
=0.2A,V
1
1k
1.235
MIN.
1.55
0.8
R
R
80
－
－
－
－
－
－
－
－
－
－
1.5
2
1
O
=5V,ON-OFF terminal=2.7V,T
2
2.5
TYP.
1.26
±0.5
100
0.9
0.1
0.5
1.5
82
±3
－
－
－
2
8
O
470 F
C
(A)
O
3
T
V
V
I
O
a
IN
O
Sheet No.: OP06040A
=25°C
=5V
=12V
3.5
+
1.285
MAX.
120
200
1.5
1.5
2.5
2.6
12
PQ1CZ21H2ZxH
－
－
－
2
2
1
4
V
O
Load
Unit
kHz
mA
a
%
%
%
%
%
V
V
A
V
=25℃)