Ap130, 300ma low dropout (ldo) linear regulator, Typical performance characteristics – Diodes AP130 User Manual
Page 5: Functional descriptions
AP130
300mA LOW DROPOUT (LDO) LINEAR REGULATOR
AP130
Document number: DS31027 Rev. 8 - 2
5 of 11
December 2011
© Diodes Incorporated
Typical Performance Characteristics
AP130 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)
AP130 V
out
vs. Load Current
3.31
3.315
3.32
3.325
3.33
3.335
3.34
3.345
3.35
0
30
60
90 120 150 180 210 240 270 300
Load Current
( A)
V
out
(V)
AP130 GND Current vs. Input Voltage
0
5
10
15
20
25
30
35
40
45
50
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
G
ND Cur
rent
(
u
A)
AP130 Dropout vs. Load
0
50
100
150
200
250
300
350
400
450
0
50
100
150
200
250
300
Load (Io) (mA)
Dropout (V)
V
OUT
=3.3V
Functional Descriptions
A minimum of 10µF capacitor must be connected from OUT to ground to insure stability. Typically a large storage capacitor is
connected from V
IN
to ground to ensure that the input voltage does not sag below the minimum dropout voltage during the
load transient response.