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參數(shù)資料
| 型號(hào)： | PQ1CZ41H2ZSERIES |
| 英文描述： | CHOPPER REGULATOR |
| 中文描述： | 斬波調(diào)壓器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 74K |
| 代理商： | PQ1CZ41H2ZSERIES |
Chopper Regulators
PQ1CZ1
Parameter
Symbol
V
SAT
V
ref
V
ref
|R
eg
L|
|R
eg
I|
η
fo
fo
D
MAX
I
L
I
CHG
V
THL
V
THH
V
TH(ON)
I
SD
I
qs
Conditions
Unit
V
V
%
%
%
%
kHz
%
%
A
μ
A
MAX.
1.5
1.285
––
1.5
2.5
––
120
––
––
2.6
–
5
2.55
3.85
1.75
400
12
TYP.
0.9
1.26
±
0.5
0.1
0.5
82
100
±
2
––
2
–
10
2.25
3.55
1.4
150
8
MIN.
––
1.235
––
––
––
––
80
––
90
1.55
–
15
1.95
3.25
1.05
––
––
Io=1A, no L,D,C
O
––
T
j
=0 to 125
C
I
O
=0.2 to 1A
V
IN
=8 to 35V
I
O
=1A
––
T
j
=0 to 125
C
terminal = open
No L,D,C
O
, terminals are open
Duty=0%, terminal =OV, terminal
Duty=D
MAX
, terminal is open., terminal
terminal=0V
,
terminal
V
IN
=40V, terminal =0V
V
IN
=40V, terminal =3V
I
Electrical Characteristics
(
Unless otherwise specified, condition shall be V
IN
=12V, Io=0.2A, Vo=5V, terminal is open, T
a
=25
C)
V
V
μ
A
mA
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
2
4
4
4
4
4
5
5
5
5
Fig. 1 Test Circuit
V
IN
I
SD
I
qs
I
CHG
C
IN
100
μ
F
C
O
470
μ
F
D
R
1
1k
R
2
I
O
V
O
+
+
A
A
L
210
μ
H
2.2
n
F
Road
L : HK-HK-14D100-2110(made by Toho Co.)
D : ERC80-004(made by Fuji electronics Co.)
[V
O
]=V
ref
×
1+
––
V
R
2
R
1
Output voltage
1
2
3
4
5
Fig. 2
Power Dissipation vs. Ambient
Temperature
P
D
:
With infinite heat sink
Note)
Oblique line portion : Overheat protection may operate in this area.
Fig. 3
Overcurrent Protection
Characteristics (Typical Value)
0
0.5
1.5
1
Output current Io
(A)
3.5
2.5
3
2
4
5
4
7
6
2
3
1
0
O
T
j
=25
C
V
IN
=12V
Vo=5V
C
IN
=100
μ
F
Co=470
μ
F
L=210
μ
H
Ambient temperature T
a
(
C)
P
D
(
–
20
0
0
5
10
20
40
60
80
100
P
D
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