AP2202 Datasheet, PDF (9/13 Pages) BCD Semiconductor Manufacturing Limited – 150mA RF ULDO REGULATOR

150mA RF ULDO REGULATOR
Typical Performance Characteristics (Continued)
Preliminary Datasheet
AP2202
20
18 ^AP2202-2.8V
16
14
12
10
V =1.8V
EN
V =2.0V
EN
V =3.0V
EN
V =4.0V
EN
V =3.8V, C =1.0µF, C =2.2µF,
IN
IN
L
I =100µA, C =1nF
OUT
BYP
8
6
4
2
0
-60 -40 -20
0 20 40 60 80 100 120 140
Junction Temperature (^oC)
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-60 -40 -20
AP2202-2.8V
V =on
EN
V =off
EN
C =1.0µF,C =2.2µF,C =1nF
IN
L
BYP
V =3.8V,I =5mA
IN
OUT
0 20 40 60 80 100 120 140
Junction Temperature (^oC)
Figure 8. Enable Current vs. Junction Temperature
Figure 9. Enable Voltage vs. Junction Temperature
200
150
100
50
0
10
100
1000
10000
Bypass Capacitor (pF)
Figure 10. Noise vs. Bypass Capacitor
AP2202-2.8V
Time (µs)
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