Preliminary Datasheet
150mA RF ULDO REGULATOR
Typical Performance Characteristics (Continued)
AP2202
20
18
16
2.0
AP2202-2.8V
V
EN
=1.8V
V
EN
=2.0V
V
EN
=3.0V
V
IN
=3.8V, C
IN
=1.0
µ
F, C
L
=2.2
µ
F,
I
OUT
=100
µ
A, C
BYP
=1nF
1.9
1.8
1.7
AP2202-2.8V
V
EN
=on
V
EN
=off
C
IN
=1.0
µ
F,C
L
=2.2
µ
F,C
BYP
=1nF
V
IN
=3.8V,I
OUT
=5mA
Enable Current (
µ
A)
14
12
10
8
6
4
2
0
-60
Enable Voltage (V)
140
V
EN
=4.0V
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-40
-20
0
20
40
60
80
o
100
120
0.6
-60
-40
-20
0
20
40
60
80
o
100
120
140
Junction Temperature ( C)
Junction Temperature ( C)
Figure 8. Enable Current vs. Junction Temperature
Figure 9. Enable Voltage vs. Junction Temperature
200
Output Current
AP2202-2.8V
150
Noise (
µ
Vrms)
100
50
0
10
100
1000
10000
Bypass Capacitor (pF)
Output Voltage
Time (µs)
Figure 10. Noise vs. Bypass Capacitor
Figure 11. Load Transient
(Conditions: V
IN
=3.8V, C
BYP
=680pF, V
EN
=2V,
I
OUT
=5mA to 50mA, C
L
=2.2µF)
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
9
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
