300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR AP2128
Data Sheet
10
Sept. 2010 Rev. 2.0 BCD Semiconductor Manufacturing Limited
Figure 4. Output Voltage vs. Output Current
0 50 100 150 200 250 300 350 400 450 500
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Output Voltage (V)
Output Current (mA)
T
C
=-40
o
C
T
C
=25
o
C
T
C
=125
o
C
V
IN
=4.4V
0 100 200 300 400 500
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Output Voltge (V)
Output Current (V)
T
c
=-40
o
C
T
c
=25
o
C
T
c
=85
o
C
V
IN
=2.5V, V
OUT
=0.8V
0.00.10.20.30.40.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Output Voltage (V)
Output Current (A)
V
IN
=3.8V
V
IN
=4.3V
V
IN
=6V
T
C
=25
0
C, V
OUT
=3.3V
0.0 0.1 0.2 0.3 0.4 0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Output Voltage (V)
Output Current (A)
T
C
=-40
o
C
T
C
=25
o
C
T
C
=85
o
C
V
IN
=6V, V
OUT
=5.2V
Figure 5. Output Voltage vs. Output Current
Figure 6. Output Voltage vs. Output Current Figure 7. Output Voltage vs. Output Current
Typical Performance Characteristics
0.0 0.1 0.2 0.3 0.4 0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Output Voltage (V)
Output Current (A)
T
C
=-40
o
C
T
C
=25
o
C
T
C
=85
o
C
V
IN
=4.3V, V
OUT
=3.3V
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