參數(shù)資料
型號: PQ1CZ21H2ZXH
廠商: Sharp Corporation
英文描述: Low Dissipation Current at OFF-state Chopper Regulator
中文描述: 低耗散電流在關態(tài)斬波調壓
文件頁數(shù): 2/5頁
文件大?。?/td> 131K
代理商: PQ1CZ21H2ZXH
2
Sheet No.: OP06040A
Electrical Characteristics
80
1.55
0.8
100
±3
2
1.5
120
2.6
2
kHz
%
A
V
Parameter
Symbol
V
SAT
V
ref
Conditions
I
SW
=1A
T
j
=0 to 125
I
O
=0.2 to 1A
V
IN
=8 to 35V
I
O
=1A
MIN.
MAX.
1.5
1.285
Unit
V
V
%
%
%
%
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
0.9
1.26
±0.5
0.1
0.5
82
1.235
TYP.
1.5
2.5
|R
eg
L|
|R
eg
I|
f
O
T
j
=0 to 125
Switching current peak
I
L
200
2
1
I
C(ON)
I
C(OFF)
V
TH(ON)
terminal=0V,
terminal
terminal=2.7V
terminal=0.4V
Stand-by current
Output OFF-state dissipation current
I
SD
I
QS
V
IN
=40V,
terminal=0V
V
IN
=40V,
terminal=3V
8
12
mA
Fig.1 Test Circuit
PQ1CZ21H2ZxH
(Unless otherwise specified,condition shall be V
IN
=12V,I
O
=0.2A,V
O
=5V,ON-OFF terminal=2.7V,T
a
=25
℃)
L
D
+
+
470 F
1k
A
A
C
IN
PQ1CZ21H2ZxH
I
C(ON)
I
C(OFF)
I
O
V
O
R
2
R
1
C
O
L
HK-14D100-2110(made by Toho Co.)
D
ERCF80-004(made by Fuji electronics Co.)
ON/OFF control logic
Output
5 pin
LOW
HIGH
OPEN
OFF
ON
OFF
Fig.2 Power Dissipation vs.Ambient
Temperature
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
0
1
2
3
4
5
6
7
Note) Oblique line portion:Overheat protection may operate in this area
Ambient temperature T
a
(°C)
P
D
0
0
25
50
7585100 125
150
-25
10
8
5
P
D
:With infinite heat sink
Load
I
SD
I
qs
V
IN
Output current I
O
(A)
0
0.5
1
1.5
2
2.5
3
3.5
4
O
O
T
a
=25°C
V
IN
=12V
V
O
=5V
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