R5325x
7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
VR1/VR2
700
150mA
600
100mA
500
30mA
10mA
400
1mA
300
200
100
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
Set Output Voltage VREG(V)
8) Ripple Rejection vs. Frequency (Topt=25°C, COUT=0.1µF)
1.2V (VR1/VR2)
2.8V (VR1/VR2)
VIN=2.2VDC+0.2Vp-p,COUT=Ceramic 0.1µF
80
VIN=3.8VDC+0.2Vp-p,COUT=Ceramic 0.1µF
80
70
70
60
60
50
50
40
40
30
20
IOUT=1mA
IOUT=30mA
10
IOUT=100mA
0
0.1
1
10
100
Frequency f(kHz)
30
20
IOUT=1mA
IOUT=30mA
10
IOUT=100mA
0
0.1
1
10
100
Frequency f(kHz)
4.0V (VR1/VR2)
VIN=5.0VDC+0.2Vp-p,COUT=Ceramic 0.1µF
80
70
60
50
40
30
20
IOUT=1mA
10
IOUT=30mA
IOUT=100mA
0
0.1
1
10
100
Frequency f(kHz)
12