ILC7080 Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

ILC7080

50/100mA SOT-23 CMOS RF LDO™ Regulators

Fairchild Semiconductor 

ILC7080/81

Typical Performance Characteristics

Unless otherwise specified TA =25˚C, VIN =VOUT(NOM), + 1V, ON/OFF pin tied to VIN.

Characterization at output currents above 50mA applies to ILC7081.

On/Off Transient Response

VOUT = 3.0V

3 IOUT = 10mA

2

COUT = 0.47 µF (Ceramic)

1

0

1

5

0

500µs/div

On/Off Transient Response ILC7081

4

VOUT = 3.0V

3 IOUT = 100mA

2

1

COUT = 0.47 µF (Ceramic)

0

5

0

200µs/div

Spectral Noise Density

32.0

17.8

10.0

5.6

VOUT = 3.0 V

COUT = 0.47µF (Ceramic)

CNOISE = 0.01 µF (Ceramic)

3.2

1.8

IOUT = 1mA

IOUT = 10 mA

1.0

0.6

0.3

0.2

0.1

100

IOUT = 50mA

IOUT = 100 mA

1K

10K

100K

1M

Freq (Hz)

On/Off Transient Response

4

3 VOUT = 3.0 V

IOUT = 50mA

2

COUT = 0.47 µF (Ceramic)

1

0

5

0

200µs/div

32.0

17.8

10.0

5.6

3.2

1.8

1.0

0.6

0.3

0.2

0.1

100

Spectral Noise Density

VOUT = 3.0 V

IOUT = 50mA

CNOISE = 0.01 µF (ceramic)

COUT = 0.47 µF (Ceramic)

COUT = 1 µF (Ceramic)

COUT = 2.2 µF (Ceramic)

COUT = 4.7 µF (Ceramic)

1K

10K

100K

1M

Freq (Hz)

Spectral Noise Density

with COUT = 10µF (Ceramic)

(For Ultra Low Noise)

6.0

VOUT = 3.0 V

5.4

CNOISE = 1 µF (Ceramic)

4.8

4.2

VIN = 3.5V

3.6

3.0

VIN = 4V

2.4

VIN = 6V

1.8

1.2

0.6 VIN = 8V

0

100

1K

10K

Freq (Hz)

100K

12

REV. 1.0.7 4/3/03

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