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參數(shù)資料
| 型號(hào)： | PQ1CZ1 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 74K |
| 代理商： | PQ1CZ1 |
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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| PQ1CZ21H2ZPH | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 40V 1.5A 100KHz RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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