Preliminary Datasheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2121
Typical Performance Characteristics
3.5
1.5
3.0
1.2
AP2121-3.0
2.5
VIN=3.3V
VIN=4V
2.0
0.9
VIN=6V
1.5
0.6
AP2121-1.5
1.0
VIN=2V
VIN=2.5V
VIN=3V
0.3
0.0
0.5
0.0
0
50
100
150
200
250
300
350
0
50
100
150
200
250
300
350
Output Current (mA)
Output Current (mA)
Figure 5. Output Voltage vs. Output Current
Figure 4. Output Voltage vs. Output Current
3.50
3.25
3.00
2.75
2.50
2.25
2.00
1.50
1.25
1.00
0.75
0.50
0.25
0.00
AP2121-3.0
AP2121-1.5
IOUT=30mA
I
OUT=30mA
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Input Voltage (V)
Input Voltage (V)
Figure 6. Output Voltage vs. Input Voltage
Figure 7. Output Voltage vs. Input Voltage
Mar. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
13
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
