NCP161BFCS450T2G datasheet(8/19 Pages) ONSEMI

Part #	NCP161BFCS450T2G

Description	450 mA, Ultra-Low Noise and High PSRR LDO Regulator for RF and Analog Circuits

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TYPICAL CHARACTERISTICS

Figure 27. Disable Current vs. Temperature

Figure 28. Discharge Resistivity vs.

Temperature

TJ, JUNCTION TEMPERATURE (°C)

120

100

80

60

20

0

−20

−40

0

10

30

40

60

70

90

100

120

100

80

60

40

0

−20

−40

200

220

230

240

260

270

290

300

Figure 29. Output Voltage Noise Spectral Density − VOUT = 1.8 V

FREQUENCY (kHz)

1000

100

10

1

0.1

0.01

1

10

100

1000

10,000

Figure 30. Output Voltage Noise Spectral Density − VOUT = 3.3 V

FREQUENCY (kHz)

1000

100

10

1

0.1

0.01

1

10

100

1000

10,000

20

50

80

40

140

VIN = 4.3 V

VOUT = 3.3 V

CIN = 1 mF

COUT = 1 mF

20

140

210

250

280

VIN = 4.3 V

VOUT = 3.3 V

CIN = 1 mF

COUT = 1 mF

1 mA

14.62

14.10

10 mA

11.12

10.48

250 mA

10.37

9.82

10 Hz − 100 kHz

100 Hz − 100 kHz

RMS Output Noise (

mV)

IOUT

1 mA

16.9

15.79

10 mA

12.64

11.13

250 mA

11.96

10.64

10 Hz − 100 kHz

100 Hz − 100 kHz

RMS Output Noise (

mV)

IOUT

VIN = 2.8 V

VOUT = 1.8 V

CIN = 1 mF

COUT = 1 mF

IOUT = 1 mA

IOUT = 250 mA

IOUT = 10 mA

VIN = 4.3 V

VOUT = 3.3 V

CIN = 1 mF

COUT = 1 mF

IOUT = 1 mA

IOUT = 450 mA

IOUT = 10 mA

450 mA

10.22

9.62

450 mA

11.50

10.40

IOUT = 450 mA

IOUT = 250 mA

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