
6)
漏失电压与输出电压设定
R1113Zxx1B
0.5
输入输出电压差VDIF [ V]
0.4
0.3
0.2
0.1
0.0
0.0
1.0
2.0
3.0
4.0
设置输出电压Vreg [ V]
5.0
25mA
50mA
100mA
150mA
7)
纹波抑制与频率的关系
R1113Z201B
R1113Z301B
Vin=3.0V+0.5Vp-p
COUT = 4.7μF陶瓷
120
纹波抑制RR (分贝)
100
80
60
Iout=1mA
90
80
纹波抑制RR (分贝)
70
60
50
40
30
20
10
0
Vin=4.0V+0.5Vp-p
COUT = 2.2μF陶瓷
40
20
0
0.1
Iout=30mA
Iout=50mA
Iout=1mA
Iout=30mA
Iout=50mA
1
10
频率
½
[千赫]
R1113Z401B
Vin=5.0V+0.5Vp-p
100
0.1
1
10
频率
½
[千赫]
R1113Z501B
Vin=6.0V+0.5Vp-p
100
90
80
纹波抑制RR (分贝)
70
60
50
40
30
20
10
0
0.1
Iout=1mA
Iout=30mA
Iout=50mA
COUT = 2.2μF陶瓷
70
纹波抑制RR (分贝)
60
50
40
30
20
10
0
COUT = 2.2μF陶瓷
Iout=1mA
Iout=30mA
Iout=50mA
1
10
频率
½
[千赫]
100
0.1
1
10
频率
½
[千赫]
100
修订版1.11
- 14 -