Analog Microelectronics, Inc.
AME8806 / 8809 / 8842
600mA CMOS LDO
Ground Current vs. Input Voltage
45
40
Load Step ( 1mA-600mA)
Vo(10mV/DIV)
Ground Current (µA)
µ
35
30
25
20
15
10
5
0
0
1
2
3
4
85
O
C
Output
C
L
=2.2µF
CIN=2.2µF
25
O
C
I
L
(200mA/DIV)
I
L o a d
0
TIME ( 20mS/DIV)
5
6
7
8
Input Voltage (V)
Drop Out Voltage vs. Output Voltage
0.3
Power Supply Rejection Ratio
0
-10
Drop Out Voltage (V)
0.25
0.2
0.15
0.1
0.05
0
2
2.5
3
3.5
I
L O A D
= 6 0 0 m A
-20
PSRR (dB)
-30
-40
-50
-60
-70
C
L
=2.2
µF
Tantalum
C
B Y P
=0
100mA
100mA
10mA
100
µA
100
µA
1mA
4
4.5
5
5.5
-80
1.0E+01
1.0E+03
1.0E+05
1.0E+07
Output Voltage (V)
Frequency (Hz)
Safe Operating Area
-20
600
Power Supply Rejection Ratio
-30
Output Current (mA)
C
L
=2.2µF Tantalum
C
B Y P
=1000pF
100mA
1mA
-40
PSRR (dB)
100
-50
-60
-70
100mA
10mA
100µA
100µA
10
0.1
1.0
8.0
-80
1.0E+01
1.0E+03
1.0E+05
1.0E+07
Input-Output Voltage Differential (V)
Frequency (Hz)
9
AME [ ANALOG MICROELECTRONICS ]
