AP2201 BCDSEMI [BCD Semiconductor Manufacturing Limited], AP2201 Datasheet - Page 8

• Manufacturer Part Number: AP2201
• Description: 150mA RF ULDO REGULATOR
• Manufacturer: BCDSEMI [BCD Semiconductor Manufacturing Limited]

Typical Performance Characteristics (Continued)
Jun. 2005 Rev. 1. 0
150mA RF ULDO REGULATOR
Figure 9. Enable Current vs. Junction Temperature
200
150
100
20
18
16
14
12
10
50
8
6
4
2
0
0
-60
10
AP2201-2.8V
-40
Figure 11. Noise vs. Bypass Capacitor
-20
0
100
Junction Temperature (
Bypass Capacitor (pF)
20
V
I
OUT
40
IN
=3.8V, C
=100
V
V
V
V
60
EN
EN
EN
EN
µ
=1.8V
=2.0V
=3.0V
=4.0V
A, C
1000
IN
=1.0
80
BYP
o
C)
=1nF
µ
F, C
100
L
=2.2
120
µ
F,
10000
140
8
Figure 10. Enable Voltage vs. Junction Temperature
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
(Conditions: V
-60
BCD Semiconductor Manufacturing Limited
-40
-20
Figure 12. Load Transient
I
OUT
IN
0
Junction Temperature (
=3.8V, C
=5mA to 50mA, C
20
Preliminary Datasheet
Time (µs)
40
AP2201-2.8V
C
V
BYP
IN
IN
=1.0
=3.8V,I
60
V
V
=680pF, V
µ
EN
EN
F,C
=on
=off
OUT
o
80
C)
L
AP2201-2.8V
=2.2
=5mA
L
=2.2µF)
µ
100
AP2201
F,C
EN
BYP
120
=2V,
=1nF
140