1.5A Low Voltage-Low Dropout CMOS Regulator
Typical Performance Characteristics
(continued)
10. Ripple Rejection vs Frequency
+0
-10
-20
-30
d
B
-40
PAM3115
11. Load Transient Response
Vo
AC
Coupling
Io=500mA
-50
-60
-70
Io=100mA
Io=1mA
-80
10
20
50
100
200
500
1k
Hz
2k
5k
10k
20k
50k 100k
Io
DC
Coupling
Vo=0.9V,V
IN
=2.5V,Vpp=1V
Vo=1.5V, V
IN
=3.3V, Io=10mA to 1.5A
+0
-10
-20
-30
d
B
-40
-50
-60
-70
-80
10
Vo
AC
Coupling
Io=500mA
Io=1mA
Io=100mA
Io
DC
Coupling
1k
Hz
2k
5k
10k
20k
50k 100k
20
50
100
200
500
Vo=1.5V,V
IN
=2.5V,Vpp=1V
Vo=1.5V , V
IN
=3.3V, Io=10mA to 500mA
+0
-10
-20
-30
d
B
Vo
AC
Coupling
Io=500mA
-40
-50
-60
Io=1mA
Io=100mA
-70
-80
10
Io
DC
Coupling
500
1k
Hz
2k
5k
10k
20k
50k 100k
20
50
100
200
Vo=2.5V,V
IN
=3.3V,Vpp=0.3V
Vo=1.5V , V
IN
=3.3V, Io=500mA to 1.5A
Power Analog Microelectronics
,
Inc
www.poweranalog.com
08/2007
8
PAM [ POWER ANALOG MICOELECTRONICS ]
