AME, Inc.
300mA CMOS LDO
AME8800 / 8811
Load Step ( 1mA-300mA)
Ground Current vs. Input Voltage
45
40
35
30
25
20
15
10
5
CL=2.2
µF
Output
C
IN=2.2µF
85O
C
25O
C
ILoad
0
0
0
1
2
3
4
5
6
7
8
TIME( 20mS/DIV)
Input Voltage (V)
Drop Out Voltage vs Output Voltage
Drop Out Voltage vs Load Current
250
200
150
100
50
300
250
200
150
100
50
Top to bottom
V
O U T =2.5V
VO U T =2.8V
V
V
V
V
O U T =3.0V
O U T =3.3V
O U T =3.5V
O U T =3.8V
IL O A D =300mA
IL O A D =200mA
IL O A D =100mA
0
0
2.5
2.75
3
3.25
3.5
3.75
4
0
50
100
150
200
250
300
Load Current (mA)
Output Voltage (V)
Short Circuit Response
Power Supply Rejection Ratio
0
-10
-20
-30
-40
-50
-60
-70
-80
RL O A D =100
RS H O R T =0.1
Ω
Ω
100mA
CL=2.2
µ
BYP =0
F Tantalum
C
0
0
10mA
100mA
1mA
100 A
µ
100µA
TIME (2mS/DIV)
1.0E+01
1.0E+03
1.0E+05
1.0E+07
Frequency (Hz)
14
AME [ ANALOG MICROELECTRONICS ]
