AP131

300mA Low Dropout Linear Regulator with Shutdown

Anachip Corp.

www.anachip.com.tw

Rev. 1.2 Oct 28, 2004

4/7

Typical Characteristics

AP131 PSRR V.S. Frequency

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

10

100

1K

10K

100K

1M

Frequency (Hz)

PSRR V.S. Frequency

AP131 Vout V.S. Load Current

3.02

3.025

3.03

3.035

3.04

3.045

3.05

3.055

3.06

3.065

3.07

3.075

3.08

3.085

3.09

3.095

0

30 60 90 120 150 180 210 240 270 300 330

Load Current (uA)

Vout V.S. Load Current

AP131 GND Current V.S. Input Voltage

0

5

10

15

20

25

30

35

40

45

50

55

00.511.5 22.533.544.5 55.5 6

Input Voltage (V)

GND Current V.S. Input Voltage

AP131 Dropout V.S. Load

0

0.05

0.1

0.15

0.2

0.25

0.3

0

50

100

150

200

250

300

350

Load (Io) (mA)

Dropout V.S. Load