NCP167
www.onsemi.com
6
TYPICAL CHARACTERISTICS
Figure 15. Power Supply Rejection Ratio vs.
Current, V
DROP
= 0.5 V, C
OUT
= 1 mF
Figure 16. Power Supply Rejection Ratio vs.
Current, V
DROP
= 0.3 V, C
OUT
= 1 mF
FREQUENCY (kHz) FREQUENCY (kHz)
10M1M100K10K1K100
0
10
30
40
50
60
80
100
Figure 17. Power Supply Rejection Ratio vs.
Input Voltage, I
OUT
= 100 mA, C
OUT
= 1 mF
Figure 18. Power Supply Rejection Ratio vs.
Input Voltage, I
OUT
= 20 mA, C
OUT
= 1 mF
FREQUENCY (kHz) FREQUENCY (kHz)
Figure 19. Output Voltage Noise Spectral Density
for V
OUT
= 3.3 V, I
OUT
= 20 mA, C
OUT
= 1 mF
Figure 20. Output Voltage Noise Spectral Density
for V
OUT
= 3.3 V, I
OUT
= 250 mA, C
OUT
= 1 mF
FREQUENCY (kHz) FREQUENCY (kHz)
1M100K10K1K10010
10
100
1K
10K
100K
1M100K10K1K10010
10
100
1K
10K
100K
RR, RIPPLE REJECTION (dB)
RR, RIPPLE REJECTION (dB)
RR, RIPPLE REJECTION (dB)
RR, RIPPLE REJECTION (dB)
OUTPUT VOLTAGE NOISE (nV/√Hz)
OUTPUT VOLTAGE NOISE (nV/√Hz
)
V
IN
= 3.8 V
V
OUT
= 3.3 V
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
20
70
90
10M1M100K10K1K100
0
10
30
40
50
60
80
100
20
70
90
V
OUT
= 3.3 V
I
OUT
= 100 mA
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
10M1M100K10K1K100
0
10
30
40
50
60
80
100
20
70
90
10M1M100K10K1K100
0
10
30
40
50
60
80
100
20
70
90
V
OUT
= 3.3 V
I
OUT
= 20 mA
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
V
IN
= 3.6 V
V
OUT
= 3.3 V
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
V
IN
= 3.6 V
V
OUT
= 3.3 V
I
OUT
= 20 mA
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
V
IN
= 3.8 V
V
OUT
= 3.3 V
I
OUT
= 250 mA
C
IN
= 1 mF
C
OUT
= 1 mF
MLCC, X7R, 0805
100 mA
1 mA
20 mA
100 mA
1 mA
20 mA
4.3 V
3.8 V
3.6 V
4.3 V
3.8 V
3.6 V