PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
10. Load Transient Response
9. Power Supply Ripple Rejection
T
+0
-10
-20
Io
DC
-30
-40
-50
-60
-70
-80
-90
Coupling
Io=300mA
Io=100mA
Vo
AC
Coupling
d
B
Io=1mA
-100
10
20
50 100 200
500 1k
Hz
2k
5k 10k 20k
50k 100k
Vo=2.5V, VIN=3.3V, Io=1mA to 300mA
11. Line Transient Response
Vo=2.5V,VIN =4V, Vpp=1V
+0
TT TT
T
-10
-20
-30
-40
-50
-60
-70
-80
-90
VIN
DC
Coupling
Io=300mA
d
Io=100mA
B
VO
AC
Coupling
Io=1mA
-100
10
20
50
100
200
500
1k
2k
5k
10k
20k
50k 100k
Hz
Vo=2.5V,VIN =4V, Vpp=1V, CBYP=10nF
Vo=2.5V,VIN=3V to 5V,Io=1mA
12. Turn-on Response
+0
T
TT
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
VIN
DC
Coupling
Io=300mA
Io=100mA
d
B
VO
DC
Coupling
Io=1mA
10
20
50 100 200
500 1k
Hz
2k
5k
10k 20k
50k 100k
Vo=1.8V,VIN =4V, Vpp=1V, CBYP=10nF
VIN=0 to 5V
Power Analog Microelectronics,Inc
www.poweranalog.com
09/2008 Rev 1.4
10
PAM [ POWER ANALOG MICOELECTRONICS ]
