AP139-28TWA datasheet(4/8 Pages) ANACHIP

Part #	AP139-28TWA

Description	300mA Low-Noise CMOS LDO

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Manufacturer	ANACHIP [Anachip Corp]

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4 / 8 page

AP139

300mA Low-Noise CMOS LDO

Anachip Corp.

www.anachip.com.tw

Rev.1.1 Jun 02, 2006

4/8

Typical Performance Characteristics

0

10

20

30

40

50

60

70

80

90

100

3.5

4

4.5

5

5.5

6

6.5

7

Vcc Vs Quiescent Current

Vcc (V)

TA=25℃

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.5

1.8

2

2.5

2.8

3

3.3

3.5

Vout (V)

Vout Vs Dropout Voltage

Io=300mA

Io=200mA

Io=100mA

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

1.0E+00

1.0E+01 1.0E+02

1.0E+03 1.0E+04

1.0E+05 1.0E+06

Power Supply Rejection Ratio

Frequency (Hz)

BP=1nF

BP=5nF

BP=10nF

BP=20nF

Iout=100mA

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

1.0E+00 1.0E+01

1.0E+02

1.0E+03

1.0E+04

1.0E+05 1.0E+06

Power Supply Rejection Ratio

Frequency (Hz)

100mA

10mA

1mA

BP=10nF

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

1.0E+00 1.0E+01

1.0E+02 1.0E+03

1.0E+04 1.0E+05 1.0E+06

Power Supply Rejection Ratio

Frequency (Hz)

100mA

10mA

1mA

BP=0

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

1.5

1.8

2

2.5

2.8

3

3.3

3.5

Vout Vs Current Limit

Vcc=5V

Vout (V)

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AP139-28TWA Datasheet(PDF) 4 Page - Anachip Corp

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