参数资料
型号: PQ30RV31J00H
厂商: Sharp Microelectronics
文件页数: 2/5页
文件大小: 0K
描述: IC REG LDO ADJ 3A TO-220
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 1.5 V ~ 30 V
输入电压: 4.5 V ~ 35 V
电压 - 压降(标准): 0.3V @ 3A
稳压器数量: 1
电流 - 输出: 3A
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
其它名称: 425-2341-5
Low Power-Loss Voltage Regulators
PQ30RV31
s
Electrical Characteristics
(Unless otherwise specified, condition shall be V IN =12V, Vo=10V, Io=1.5A, R 1 =390 ? , T a =25 ? C)
Parameter
Input voltage
output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Symbol
V IN
V O
R eg L
R eg I
RR
V ref
T c V ref
V i - O
I q
Conditions
?
?
I O =5mA to 3A
V IN =11 to 21V, I O =0.5mA
Refer to Fig. 2
?
T j =0 to 125 ? C,I O =5mA
? 3 , I O =3A
? 3 , I O =2A
I O =0
MIN.
4.5
1.5
?
?
45
1.225
?
?
?
?
TYP.
?
?
0.5
0.5
70
1.25
± 1.0
0.3
0.2
?
MAX.
35
30
2.0
2.5
?
1.275
?
1.0
0.5
7
Unit
V
V
%
%
dB
V
%/ ? C
V
mA
? 3
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Fig. 1 Test Circuit
V IN
1
2
47 μ F
V O
V O =V ref ×
1+ –––––
0.33 μ F
3
A
R 2
4
R 1
I q 390 ?
V ref
V
+
A
I O
V
R L
R 2
R 1
[R 1 =390 ? ,V ref Nearly=1.25V]
Fig. 2 Test Circuit of Ripple Rejection
1
2
+
e i
V IN
0.33 μ F
3
4
R 2
R 1
390 ?
47 μ F
+
I O
R L
V e o
I O =0.5A, V IN =12V, V O =10V
f=120Hz(sine wave)
e i(rms) =0.5V rms
RR=20 log(e i(rms) /e o(rms) )
Fig. 3 Power Dissipation vs. Ambient
Fig. 4 Overcurrent Protection Characteristics
40
Temperature
P D1 :No heat sink
100
(Typical Value)
P D2 :With infinite heat sink
30
80
20
10
0
P D2
P D1
60
40
20
0
0
50 100 150
Ambient temperature T a ( ? C)
0
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Output current I O (A)
Note) Oblique line portion : Overheat protection may operate in this area.
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