PAM3130
3A Low Voltage-Low Dropout CMOS Regulator
Typical Performance Characteristics(continued)
11. Load Transient Response
10. Ripple Rejection vs Frequency
+0
-10
-20
-30
-40
-50
-60
-70
Io
DC
Coupling
d
Io=500mA
Io=100mA
Vo
AC
Coupling
B
Io=1mA
-80
10
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
50k 100k
Vo=0.9V,VIN=2.5V,Vpp=1V
Vo=1.5V,VIN=3.3V, Io=1mA to 3.0A
+0
-10
-20
-30
-40
-50
-60
-70
Io
DC
Coupling
Io=500mA
Io=100mA
d
B
Vo
AC
Coupling
Io=1mA
-80
10
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
50k 100k
Vo=1.5V,VIN=2.5V,Vpp=1V
Vo=1.5V,VIN=3.3V, Io=1mA to 1.0A
+0
-10
-20
-30
-40
-50
-60
-70
Io
DC
Coupling
Io=500mA
Io=100mA
d
B
Vo
AC
Coupling
Io=1mA
-80
10
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
50k 100k
Vo=2.5V,VIN=3.3V,Vpp=0.3V
Vo=1.5V,VIN=3.3V, Io=1A to 3.0A
Power Analog Microelectronics,Inc
www.poweranalog.com
08/2007
9
PAM [ POWER ANALOG MICOELECTRONICS ]
