AME8815_09 Datasheet, PDF (21/28 Pages) Analog Microelectronics – 1.5A CMOS LDO

AME
AME8815
Load Regulation vs. Temperature
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-45
-5
25
55
85
115
Temperature (^oC)
Line Transient Response
C_IN = 4.7µF
C_OUT = 4.7µF
T_R = T_F = 1µS
V_OUT = 1.5V
0V
Time (20µS/DIV)
Rev. S.07
Current Limit Response
V_IN = 5V
C_IN = 4.7µF
C_OUT = 4.7µF
0V
I_LIM
I_SC
0A
Time 11mmSS//DDIIVV
1.5A CMOS LDO
Dropout Voltage vs. Load Current(2.5V)
400
115 ^oC
350
85 ^oC
55 ^oC
300
25 ^oC
250
-5 ^oC
200
-45 ^oC
150
100
50
0
0.3
0.6
0.9
1.2
1.5
Load Current (A)
Load Step 40mA to 1.5A
0A
C_IN = 4.7µF
C_OUT = 4.7µF
V_IN = 4.0V
V_OUT = 1.8V
Time 500µS/DIV
Current Limit vs. V_IN
3
2.8
C_IN = 4.7µF
2.6
C_OUT = 4.7µF
2.4
V_OUT = 1.8V
2.2
2
1.8
1.6
1.4
1.2
1
2
3
4
5
6
7
V_IN (V)
8
21