ISL9014IRNFZ(2006) 查看數據表（PDF） - Intersil

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ISL9014IRNFZ
(Rev.:2006)

Dual LDO with Low Noise, Low IQ, and High PSRR

Intersil 

Typical Performance Curves (Continued)

ISL9014

4.3V

3.6V

VO = 3.3V

ILOAD = 300mA

CLOAD = 1µF

CBYP = 0.01µF

4.2V

3.5V

VO2 = 2.8V

ILOAD = 300mA

CLOAD = 1µF

CBYP = 0.01µF

10mV/DIV

10mV/DIV

400µs/DIV

FIGURE 13. LINE TRANSIENT RESPONSE, 3.3V OUTPUT

VO (25mV/DIV)

VO = 1.8V

VIN = 2.8V

300mA

100μA

ILOAD

100μs/DIV

FIGURE 15. LOAD TRANSIENT RESPONSE

1000

400µs/DIV

FIGURE 14. LINE TRANSIENT RESPONSE, 2.8V OUTPUT

100

90

80

70

60

50

40

30

20

10

0

0.1

VIN = 3.6V

VO = 1.8V

IO = 10mA

CBYP = 0.1μF

CLOAD = 1μF

1

10

100

FREQUENCY (kHz)

FIGURE 16. PSRR vs FREQUENCY

1000

100

10

VIN = 3.6V

VO = 1.8V

ILOAD = 10mA

1 CBYP = 0.1μF

CIN = 1μF

CLOAD = 1μF

0.1

10

100

1K

10K

100K

1M

FREQUENCY (Hz)

FIGURE 17. SPECTRAL NOISE DENSITY vs FREQUENCY

7

FN9245.2

April 26, 2006

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