NCP781 Datasheet, PDF (10/14 Pages) ON Semiconductor – 150 V, 100mA Very High Voltage Linear Regulator

NCP781
TYPICAL CHARACTERISTICS
12
50
C_IN = C_OUT = 1 mF
C_IN = C_OUT = 1 mF
10
V_IN = 150 V
V_OUT(nom) = 5.0 V
40
V_IN = 150 V
V_OUT(nom) = 15.0 V
I_OUT = 1 mA
I_OUT = 1 mA
8
T_A = 25°C
T_A = 25°C
30
6
20
4
2
10
0
0.01
0.1
1
10
100 1000
FREQUENCY (kHz)
Figure 16. Output Voltage Noise Spectral
Density at NCP781BMN050TAG
3.5
C_IN = C_OUT = 1 mF
3.0
V_IN = 150 V
V_OUT(nom) = 1.23 V
2.5
I_OUT = 1 mA
T_A = 25°C
2.0
1.5
1.0
0.5
0
0.01
0.1
1
10
100
1000
FREQUENCY (kHz)
Figure 18. Output Voltage Noise Spectral
Density at NCP781BMNADJTAG
90
80 ^{IOUT = 1 mA}
70 ^IOUT ^{= 10 mA}
60 ^{IOUT = 50 mA}
0
0.01 0.1
1
10
100 1000
FREQUENCY (kHz)
Figure 17. Output Voltage Noise Spectral
Density at NCP781BMN150TAG
90
I_OUT = 1 mA
80
70 ^{IOUT = 10 mA}
60 I_OUT = 50 mA
50
V_IN = 25 V + 200 mVpp modulation
40
V_OUT(nom) = 3.3 V
C_OUT = 1 mF MLCC
30 ^{TA = 25°C}
0.01
0.1
1
10
100
FREQUENCY (kHz)
Figure 19. PSRR vs. Frequency at
NCP781BMN033TAG
1000
70
V_IN = 25 V + 200 mVpp modulation
65
V_OUT(nom) = 15.0 V
C_OUT = 1 mF MLCC
T_A = 25°C
60
55
50
V_IN = 25 V + 200 mVpp modulation
40
V_OUT(nom) = 5.0 V
C_OUT = 1 mF MLCC
30 ^{TA = 25°C}
0.01
0.1
1
10
100
FREQUENCY (kHz)
Figure 20. PSRR vs. Frequency at
NCP781BMN050TAG
1000
50
45
40
0.01
0.1
1
10
100
FREQUENCY (kHz)
Figure 21. PSRR vs. Frequency at
NCP781BMN150TAG
1000
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