AME8848 Datasheet, PDF (7/11 Pages) AMETHERM Circuit Protection Thermistors – 1A CMOS LDO

AME
AME8848
Ground Current vs. Input Voltage
45
40
35
85^OC
30
25
O
20
25 C
15
10
5
0
0
1
2
3
4
5
6
7
8
Input Voltage (V)
Dropout Voltage vs. Output Voltage
1600
Top to Bottom
1400
I_OUT = 1000mA
1200
I_OUT = 800mA
I_OUT = 600mA
1000
IOUT = 400mA
IOUT = 200mA
800
600
400
200
0
1.8
2.5
3.3
4
5
Output Voltage (V)
Line Transient Response
V_IN = 5.0V
C_OUT = 2.2µF
Rev.A.04
Time (2mS/DIV)
1A CMOS LDO
Load Step (1mA-1000mA)
C_OUT = 2.2µF
C_IN = 2.2µF
VOUT
I
OUT
Time (20mS/DIV)
Power Supply Ripple Rejection Ratio
0
-10 ^COUT ^{= 2.2µF Tantalum}
-20
100mA
-30
-40
-50
100mA
-60
10mA
-70
100 µA
100 µ A
1mA
-80
10
1K
100K
10M
Frequency (Hz)
Noise Measurement
C_OUT = 2.2µF
No Filter
Time (20ms/DIV)
7