Ap131, Typical characteristics, Typical application circuit – Diodes AP131 User Manual
Page 5: 300ma low dropout linear regulator with shutdown
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AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
AP131 Rev. 7
5 of 7
FEBRUARY 2009
©
Diodes Incorporated
Typical Characteristics
AP131 PSRR vs. 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
(dB)
AP131 V
out
vs. 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)
V
out
AP131 GND Current vs. Input Voltage
0
5
10
15
20
25
30
35
40
45
50
55
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
GND Current (uA)
AP131 Dropout vs. Load
0
50
100
150
200
250
300
350
400
450
0
50
100
150
200
250
300
Load (Io) (mA)
Dr
opo
ut
(
V
)
V
OUT
=3.3V
Typical Application Circuit
IN
OUT
GND
AP131
BP
EN
EN
V
IN
C
IN
C
BP
C
OUT
V
OUT
ON
OFF
1uF
0.1uF
10uF
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