Data
S
heet
Preliminary Datasheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2127
Typical Performance Characteristics (Continued)
0.18
0.16
0.14
0.24
T
C
=-40 C
T
C
=25 C
T
C
=85 C
Dropout Voltage (V)
V
OUT
=5.2V
o
o
o
0.22
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
Dropout Voltage (V)
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0.00
I
OUT
=10mA
I
OUT
=150mA
I
OUT
=300mA
V
OUT
=3.3V
-40
-20
0
20
40
o
0.02
0.05
0.10
0.15
0.20
0.25
0.30
0.00
60
80
100
Output Current (A)
Case Temperature ( C)
Figure 25. Dropout Voltage vs. Output Current
Figure 26. Dropout Voltage vs. Case Temperature
0.18
0.16
0.14
2.0
1.8
1.6
V
OUT
=1.0V
No heatsink
I
OUT
=150mA
I
OUT
=300mA
V
OUT
=5.2V
Power Dissipation (W)
Dropout Voltage (V)
0.12
0.10
0.08
0.06
0.04
0.02
0.00
-40
I
OUT
=10mA
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
0
20
40
60
o
-20
0
20
40
o
60
80
80
100
120
Case Temperature ( C)
Case Temperature( C)
Figure 27. Dropout Voltage vs. Case Temperature
Figure 28. Power Dissipation vs. Case Temperature
Oct. 2009 Rev. 1. 3
13
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
