Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2125
Typical Performance Characteristics
3.50
3.48
3.46
3.44
3.42
3.40
3.38
3.36
3.34
3.32
3.30
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
AP2125-1.8
VIN=2.8V
TC=25oC
AP2125-3.3
VIN=4.3V
TC=25oC
0
50
100
150
200
250
300
0
50
100
150
200
250
300
Output Current (mA)
Output Current (mA)
Figure 5. Output Voltage vs. Output Current
Figure 4. Output Voltage vs. Output Current
400
360
320
280
240
200
160
120
80
400
360
320
280
240
200
160
120
80
AP2125-1.8
VIN=2.8V
AP2125-3.3
VIN=4.3V
TC=-40oC
TC=25oC
TC=85oC
TC=-40oC
TC=25oC
TC=85oC
40
40
0
0
0
30
60
90
120
150
180
210
240
270
300
0
30
60
90
120
150
180
210
240
270
300
Output Current (mA)
Output Current (mA)
Figure 6. Dropout Voltage vs. Output Current
Figure 7. Dropout Voltage vs. Output Current
May. 2010 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
13
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
