Preliminary Datasheet
150mA RF ULDO REGULATOR
Typical Performance Characteristics (Continued)
AP2201
Output Voltage
Output Voltage
Enable Voltage
AP2201-2.8V
Input Voltage
AP2201-2.8V
Time (µs)
Time (µs)
Figure 13. Line Transient
(Conditions: V
IN
=3.8V to 4.8V, V
EN
=2V, I
OUT
=100µA
C
BYP
=680pF, C
L
=10µF)
Figure 14. V
EN
(on) vs. V
O
(Conditions: V
EN
=0V to 2V, V
IN
=3.8V, I
OUT
=30mA,
C
BYP
=open, C
L
=2.2µF)
0
-10
-20
-30
AP2201-2.8V
PSRR (dB)
-40
-50
-60
-70
-80
-90
-100
100
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 15. PSRR vs. Frequency
( Conditions: C
IN
=1.0
µ
F,
C
L
= 2.2
µ
F,
C
BYP
= open,
V
IN
=3.8V, I
OUT
=10mA, V
EN
=2V)
Jun. 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
9
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
