AME
AME8822
Dropout Voltage vs Temperature
700
650
600
High PSRR, 250mA CMOS LDO
Output Impedance vs Frequency
2.0
1.8
Output Impedance (Ω)
Dropout Voltage (mV)
550
500
450
400
350
300
250
200
150
100
50
0
-40
-25
-10
5
20
35
50
65
o
80
95
110 125
V
IN
=2.8V
Io=250mA
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
10
100
I
O
=100mA
1000
10000
100000
1000000
I
O
=50mA
Temperature ( C)
Frequency (Hz)
Output Voltage vs Load Current
1.820
1.815
V
IN
=2.8V
Output Voltage vs Temperature
1.815
I
O
=1mA
1.810
1.805
1.800
1.795
1.790
1.785
Output Voltage (V)
Output Voltage (V)
1.810
1.805
I
O
=250mA
1.800
1.795
V
IN
=2.8V
1.780
0
50
100
150
200
250
Load Current (mA)
1.790
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temperature
(
o
C)
Load Transient Response
Output Voltage Output Current
(mV)
(mA)
∆i
=25mA/
µs
∆t
Line Transient Response
Input Voltage
(V)
V
IN
=2.8V
200
100
0
50
0
-50
5.3
4.3
Output Voltage
(mV)
20
-20
Time (µs)
Time (µs)
Rev.F.04
11
AME [ ANALOG MICROELECTRONICS ]
