Analog Microelectronics, Inc.
AME8801/8812/8840
300mA CMOS LDO
Ground Current vs. Input Voltage
45
Load Step ( 1mA-300mA)
Vo(5mV/DIV)
C
L
=2.2µF
C
I N
=2.2µF
40
Output
Ground Current (µA)
µ
35
30
25
85
O
C
15
10
5
0
0
1
2
3
4
5
6
7
8
I
L
(200mA/DIV)
20
25
O
C
I
L o a d
0
TIME( 20mS/DIV)
Input Voltage (V)
Chip Enable Transient Response
Enable (2V/DIV)
Enable (2V/DIV)
Chip Enable Transient Response
C
L
=2µF
R
L
=10Ω
C
B Y P
=1000pF
0
C
L
=2µF
R
L
=10Ω
0
Output (1V/DIV)
0
TIME ( 1mS/DIV)
Output (1V/DIV)
0
TIME ( 1mS/DIV)
Drop Out Voltage vs Output Voltage
300
Drop Out Voltage vs Load Current
250
Drop Out Voltage (mV)
250
200
150
100
I
L O A D
= 1 0 0 m A
I
L O A D
= 3 0 0 m A
I
L O A D
= 2 0 0 m A
Dropout Voltage (mV)
200
150
Top to bottom
V
O U T
=2.5V
V
O U T
=2.8V
V
O U T
=3.0V
V
O U T
=3.3V
V
O U T
=3.5V
V
O U T
=3.8V
100
50
50
0
2.5
2.75
3
3.25
3.5
3.75
4
0
0
50
100
150
200
250
300
8
Output Voltage (V)
Load Current (mA)
AME [ ANALOG MICROELECTRONICS ]
