AME
AME8818
V
OUT
vs. Temperature
3.05
3.04
3.03
3.02
Low Dropout
300mA CMOS Regulator
Quiesent Current vs Temprature
100
V
OUT
= 3.0V
V
OUT
= 3.0V
Quiesent Current (V)
80
V
OUT
(V)
I
OUT
=1mA
3.01
3.00
2.99
2.98
2.97
-50
60
I
OUT
=300mA
40
I
OUT
=300mA
I
OUT
=1mA
20
-25
0
+25
+50
+75
+100
+125
0
-50
-25
0
+25
+50
+75
+100
+125
Temperature (
o
C)
Temperature (
o
C)
EN Pin Shutdown Threshold Voltage vs
Temperature
1.50
750
Current Limit vs Input Voltage
EN Pin Shutdown Threshold
Voltage (V)
V
OUT
= 1.2V
700
V
OUT
= 3.0V
Current Limit (mA)
-25
0
+25
+50
o
1.25
650
600
550
500
450
400
1.00
0.75
0.50
0.25
-50
+75
+100
+125
350
4.0
4.5
5.0
5.5
Temperature ( C)
Dropout Voltage vs Load Current
400
350
100
Input Voltage (V)
AME8818AEEV
Power Supply Rejection Ratio
90
Dropout Voltage (mV)
V
OUT
= 3.0V
I
OUT
= 300mA
I
OUT
=10mA
I
OUT
=1mA
300
250
200
150
100
50
0
T
A
=125
O
C
80
70
V
OUT
= 1.2V
C
BYP
= 0.1µF
PSRR (dB)
60
50
40
30
20
10
I
OUT
=100mA
T
A
=25 C
T
A
=-40
O
C
0
50
100
150
200
250
300
O
0
1K
10 K
100K
1M
Load Current (mA)
Rev.A.01
Frequency (H z)
9
AMETHERM [ AMETHERM CIRCUIT PROTECTION THERMISTORS ]
