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NCP781 Datasheet(PDF) 10 Page - ON Semiconductor |
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NCP781 Datasheet(HTML) 10 Page - ON Semiconductor |
10 / 14 page NCP781 www.onsemi.com 10 TYPICAL CHARACTERISTICS Figure 16. Output Voltage Noise Spectral Density at NCP781BMN050TAG FREQUENCY (kHz) 1000 100 10 1 0.1 0.01 0 2 4 6 8 10 12 Figure 17. Output Voltage Noise Spectral Density at NCP781BMN150TAG Figure 18. Output Voltage Noise Spectral Density at NCP781BMNADJTAG FREQUENCY (kHz) FREQUENCY (kHz) 1000 100 10 1 0.1 0.01 0 10 20 30 40 50 1000 100 10 1 0.1 0.01 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 CIN = COUT = 1 mF VIN = 150 V VOUT(nom) = 15.0 V IOUT = 1 mA TA = 25°C CIN = COUT = 1 mF VIN = 150 V VOUT(nom) = 1.23 V IOUT = 1 mA TA = 25°C CIN = COUT = 1 mF VIN = 150 V VOUT(nom) = 5.0 V IOUT = 1 mA TA = 25°C Figure 19. PSRR vs. Frequency at NCP781BMN033TAG FREQUENCY (kHz) 1000 100 10 1 0.1 0.01 30 40 50 60 70 80 90 VIN = 25 V + 200 mVpp modulation VOUT(nom) = 3.3 V COUT = 1 mF MLCC TA = 25°C IOUT = 1 mA IOUT = 10 mA IOUT = 50 mA Figure 20. PSRR vs. Frequency at NCP781BMN050TAG FREQUENCY (kHz) 1000 100 10 1 0.1 0.01 30 40 50 60 70 80 90 VIN = 25 V + 200 mVpp modulation VOUT(nom) = 5.0 V COUT = 1 mF MLCC TA = 25°C IOUT = 1 mA IOUT = 10 mA IOUT = 50 mA Figure 21. PSRR vs. Frequency at NCP781BMN150TAG FREQUENCY (kHz) 1000 100 10 1 0.1 0.01 40 45 50 55 60 65 70 VIN = 25 V + 200 mVpp modulation VOUT(nom) = 15.0 V COUT = 1 mF MLCC TA = 25°C |
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