Diodes AP2202 - Manual (Page 20)

150mA RF ULDO REGULATOR AP2202
Data Sheet
20
Jul. 2011 Rev. 2. 2 BCD Semiconductor Manufacturing Limited
Figure 13. Line Transient
(Conditions: V
IN
=3.8V to 4.8V, V
EN
=2V, I
OUT
=100 µA
C
BYP
=100pF, C
OUT
=10 µF)
Time ( µs)
Figure 14. V
EN
(on) vs. V
OUT
(Conditions: V
EN
=0V to 2V, V
IN
=3.8V, I
OUT
=30mA,
C
BYP
=open, C
IN
=1.0 µF, C
OUT
=2.2 µF)
V
EN
(
V)
Time ( µs)
AP2202-2.8
AP2202-2.8
Figure 15. PSRR vs. Frequency
0 20 40 60 80 100 120 140 160 180 200
0 100 200 300 400 500 600 700 800 900 1000
2.8
3.8
4.8
5.8
0
-60
-40
-20
0
2
1
3
-1
-2
0
4
2
20
Typical Performance Characteristics (Continued)
Figure 12. Load Transient
(Conditions: V
IN
=3.8V, C
BYP
=100pF, V
EN
=2V,
I
OUT
=5mA to 50mA, C
IN
=1.0 µF, C
OUT
=2.2 µF)
I OUT
(m
A)
∆
V
OU
T
(m
V)
Time ( µs)
AP2202-2.8
0 10 20 30 40 50 60 70 80 90 100
-50
0
50
0
50
100
150
-100
∆
V
OUT
(
m
V)
V
IN
(
v)
V
OUT
(
V)
10 100 1k 10k 100k 1M
0
10
20
30
40
50
60
70
80
90
100
P
SRR (dB)
Frequency (Hz)
AP2202-2.8
V
IN
=3.8V, V
RIPPLE
=1V
PP
I
OUT
=10mA, C
OUT
=2.2 µ F