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