参数资料
型号: PQ30RV31J00H
厂商: Sharp Microelectronics
文件页数: 3/5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
Fig. 5 Output Voltage Adjustment
Characteristics (Typical value)
PQ30RV31
Fig. 6 Output Voltage vs. Input Voltage
30
25
R 1 390 ?
15
R 1 =390 ? ,R 2 =2.7k ? ,T j =25 ? C
20
15
10
R L = ∞
10
5
0
5
0
R L =3.3 ?
10 1
10 2
10 3
10 4
10 5
0
5 10 15
20
R 2 ( ? )
Fig. 7 Dropout Voltage vs. Junction
Input voltage V IN (V)
Fig. 8 Ripple Rejection vs. Input Ripple
0.7
0.6
Temperature
R 1 =390 ? ,R 2 =2.7k ?
V IN ; 0.95V O
90
80
Frequency
C ref =3.3 μ F
70
0.5
60
No C ref
0.4
I O =3A
50
0.3
0.2
0.1
0.5A
2A
1A
40
30
20
10
T j =25 ? C,V IN =12V
R 1 =390 ? ,R 2 =2.7k ?
0
– 25
0 25 50
75
100
125
0
I O =0.5A,e i(rms) =0.5V
0.1 1 10 100
1000
Junction temperature T j ( ? C)
Fig. 9 Ripple Rejection vs. Output Current
90
Input ripple frequency f (kHz)
Fig.10 Output Peak Current vs. Dropout
Voltage (Typical value)
7
80
70
60
C ref =3.3 μ F
No C ref
6.5
6
5.5
5
50 T j =25 ? C
R 1 =390 ? ,R 2 =2.7k ?
40 V IN =12V,e i(rms) =0.5V,f=120Hz
4.5
4
R 1 =390 ? ,R 2 =2.7k ? ,T a =25 ? C
0
1 2
3
0
1
2 3 4 5 6 7 8
9 10
Output current I O (A)
Dropout voltage V i – O (V)
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