NCP4680
TYPICAL CHARACTERISTICS
120
100
80
PSRR (dB)
60
40
20
0
0.1
150 mA
120
100
80
PSRR (dB)
60
150 mA
40
20
0
0.1
I
OUT
= 1 mA
30 mA
I
OUT
= 1 mA
30 mA
1
10
FREQUENCY (kHz)
100
1000
1
10
FREQUENCY (kHz)
100
1000
Figure 27. PSRR, 0.8 V Version, V
IN
= 1.8 V
120
100
80
PSRR (dB)
60
40
20
0
0.1
120
100
30 mA
PSRR (dB)
80
60
Figure 28. PSRR, 1.8 V Version, V
IN
= 2.8 V
I
OUT
= 1 mA
I
OUT
= 1 mA
30 mA
150 mA
150 mA
40
20
0
0.1
1
10
FREQUENCY (kHz)
100
1000
1
10
FREQUENCY (kHz)
100
1000
Figure 29. PSRR, 2.8 V Version, V
IN
= 3.8 V
2.5
2.0
V
N
(mV
rms
/√Hz)
V
N
(mV
rms
/√Hz)
1.5
1.0
0.5
0
0.01
2.5
2.0
1.5
1.0
0.5
0.1
0.01
Figure 30. PSRR, 3.3 V Version, V
IN
= 4.3 V
0.1
1
10
100
1000
0.1
1
10
100
1000
FREQUENCY (kHz)
FREQUENCY (kHz)
Figure 31. Output Voltage Noise, 0.8 V Version,
V
IN
= 1.8 V
Figure 32. Output Voltage Noise, 1.8 V Version,
V
IN
= 2.8 V
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