参数资料
型号: PQ3RF33
厂商: Sharp Microelectronics
文件页数: 5/7页
文件大小: 0K
描述: IC REG LDO 3.3V 3.5A TO-220
标准包装: 50
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 10V
稳压器数量: 1
电流 - 输出: 3.5A
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: 425-1735-5
Low Power-Loss Voltage Regulators
Fig.17 Ripple Rejection vs. Input Ripple
Frequency
PQ3RF23/PQ3RF33
Fig.18 Ripple Rejection vs. Input Ripple
Frequency
80
70
(PQ3RF23)
V IN =5V
I O =0.5A
e i(rms) =0.5V
80
70
(PQ3RF33)
V IN =5V
I O =0.5A
e i(rms) =0.5V
60
50
40
30
20
10
0
60
50
40
30
20
10
0
0.1
1 10
100
0.1
1 10
100
Input ripple frequency f (kHz)
Fig.19 Ripple Rejection vs. Output Current
Input ripple frequency f (kHz)
Fig.20 Ripple Rejection vs. Output Current
80
70
(PQ3RF23)
V IN =5V
e i(rms) =0.5V
f=120Hz
80
70
(PQ3RF33)
V IN =5V
e i(rms) =0.5V
f=120Hz
60
50
40
60
50
40
30
0
0.5
1 1.5
2
0
0.5
1
1.5 2 2.5
3
Output current I O (A)
Fig.21 Output Peak Current vs. Junction
Temperature
Output current I O (A)
Fig.22 Output Peak Current vs. Junction
Temperature
6.0
5.5
(PQ3RF23)
V IN =10 V
V IN =7V
8.0
7.5
(PQ3RF33)
V IN =10 V
V IN =7V
5.0
7.0
V IN =5V
4.5
4.0
3.5
V IN =5V
V IN =4.3V
6.5
6.0
5.5
V IN =4.3V
V IN =3.8V
3.0
I OP :Output current when V IN =3.8V
5.0
2.5
output voltage is 95%
in comparison with
4.5
I OP :Output current when
output voltage is 95% in
2.0
– 25
the initial value
0 25 50 75 100
125
4.0
– 25
0
comparison with the initial value
25 50 75 100 125
Junction temperature T j ( ? C)
Junction temperature T j ( ? C)
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