AME8844_07 Datasheet, PDF (10/15 Pages) Analog Microelectronics – 750mA CMOS LDO

AME, Inc.
AME8844
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
8
V_IN (V)
Overtemperature Shutdown
0A
V_IN = 4V
C_IN = 4.7µF
C_OUT = 4.7µF
0V
Time 100mS/DIV
10000
1000
100
Stability vs. ESR vs. I_Load
Unstable Region
C_L=2µF
10
1
Stable Region
0.1
0.01
0
Untested Region
250
500
750
1000 1250 1500
ILOAD (mA)
10
750mA CMOS LDO
Short Circuit Current vs. V
IN
1.6
1.4 _{CIN = 4.7µF}
1.2 ^{COUT = 4.7µF}
1
0.8
0.6
0.4
0.2
0
2
3
4
5
6
7
8
V_IN (V)
10000
1000
100
Stability vs. ESR vs. I
Load
Unstable Region
C_L=5µF
10
1
0.1
0.01
0
Stable Region
Untested Region
250
500
750
1000
1250
1500
ILOAD (mA)
10000
1000
Stability vs. ESR vs. I_Load
Unstable Region
100
C_L=10µF
10
1
0.1
Stable Region
0.01
0.001
0
Untested Region
250
500
750
1000
1250
1500
ILOAD (mA)
Rev.E.01