参数资料
型号: PQ09RD21J00H
厂商: Sharp Microelectronics
文件页数: 2/7页
文件大小: 0K
描述: IC REG LDO 9V 2A TO-220
标准包装: 50
稳压器拓扑结构: 正,固定式
输出电压: 9V
输入电压: 最高 20V
稳压器数量: 1
电流 - 输出: 2A
工作温度: -20°C ~ 80°C
安装类型: 通孔
封装/外壳: TO-220-4
供应商设备封装: TO-220-4
包装: 管件
产品目录页面: 1366 (CN2011-ZH PDF)
其它名称: 425-2281-5
Low Power-Loss Voltage Regulators
PQ05RD21 Series/PQ3RD23
s
Electrical Characteristics
(Unless otherwise specified, Io=1.0A, ? 4 , T a =25 ? C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
PQ3RD23
3.201
3.3
3.399
Output voltage
PQ05RD21
PQ09RD21
V O
? 4
4.85
8.73
5.0
9.0
5.15
9.27
V
PQ12RD21
11.64
12.0
12.36
Load regulation
R eg L
Io=5mA to 2.0A, ? 4
––
0.1
2.0
%
Line regulation
PQ3RD23
PQ05RD21 series
R eg I
? 5 , I O =5mA
––
––
0.1
0.5
2.5
2.5
%
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
? 7 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
T C V O
RR
V i - O
V C ( ON )
I C ( ON )
V C ( OFF )
I C ( OFF )
I q
Tj=0 to 125 ? C, Io=5mA
Refer to Fig.2
? 6 , Io=2A
? 4
V C =2.7V, ? 4
? 4
V C =0.4V, ? 4
I O =0A, ? 4
––
45
––
2.0
––
––
––
––
± 0.02
55
––
––
––
––
––
––
––
––
0.5
––
20
0.8
– 0.4
10
%/ ? C
dB
V
V
μ A
V
mA
mA
? 4
? 5
? 6
? 7
PQ3RD23 :V IN =5V, PQ05RD21 :V IN =7V, PQ09RD21 :V IN =11V, PQ12RD21 : V IN =14V
PQ3RD23 :V IN =4 to 10V, PQ05RD21 :V IN = 6 to 12V, PQ09RD21 :V IN =10 to 16V, PQ12RD21 : V IN =13 to 19V
Input voltage shall be the value when output voltage is 95% in comparison with the initial value. PQ3RD23 :V IN =3.7V
In case of opening control teminal 4 , output voltage turns on.
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
V IN
1
2
4
V C
47 μ F
A
V O
I O
e i
1
2
4 47 μ F
I O
+
0.33 μ F
3
A
I q
A
I C
+
R L
V
V IN
0.33 μ F
3
+
R L V e o
f=120Hz (sine wave)
e i(rms) =0.5V
V IN =5V ( PQ3RD23 )
7V ( PQ05RD21 )
11V ( PQ09RD21 )
14V ( PQ12RD21 )
I O =0.5A
RR=20 log (e i(rms) /e o(rms) )
Fig. 3 Power Dissipation vs. Ambient
Temperature
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
20
15
P D1 :No heat sink
P D2 :With infinite heat sink
P D2
12
11
10
9
(PQ3RD23)
8
7
10
6
5
4
V i - O =1V
5
0
P D1
3
2
1
V i - O =3V
V i - O =0.5V
V i - O =2V
– 20
0 20 40 60 80
0
1.0 2.0 3.0
4.0
Ambient temperature T a ( ? C)
Note) Oblique line portion : Overheat protection may operate in this area.
Output current I O (A)
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