ISL9000A 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

生产厂家

ISL9000A

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

Intersil 

ISL9000A

Typical Performance Curves (Continued)

4.2V

3.5V

VO = 2.8V

ILOAD = 300mA

CLOAD = 1µF

CBYP = 0.01µF

10mV/DIV

400µs/DIV

FIGURE 16. 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

1k

10k

100k

1M

FREQUENCY (Hz)

FIGURE 18. PSRR vs FREQUENCY

VO (25mV/DIV)

VO = 1.8V

VIN = 2.8V

300mA

100µA

ILOAD

100µs/DIV

FIGURE 17. LOAD TRANSIENT RESPONSE

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 19. SPECTRAL NOISE DENSITY vs FREQUENCY

8

FN6391.1

March 11, 2008

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