AAT3242
300mA/150mA Dual CMOS LDO Linear Regulator
Typical Characteristics
Unless otherwise noted, VIN = 5V, TA = 25°C.
Turn-On Time and POK Delay
Line Transient Response
6
5
3.25
3.20
3.15
3.10
3.05
3.00
2.95
2.90
2.85
VENABLE (2V/div)
VIN
4
VOUT (500mV/div)
VPOK (500mV/div)
3
2
1
VOUT
0
-1
-2
Time (10μs/div)
Time (100μs/div)
Load Transient Response 300mA
Load Transient Response
3.00
2.90
2.80
2.70
2.60
2.50
2.40
2.30
2.20
2.10
800
700
600
500
400
300
200
100
0
2.90
2.85
2.80
2.75
2.70
2.65
2.60
500
400
300
200
100
0
VOUT
VOUT
IOUT
IOUT
-100
-100
Time (100μs/div)
Time (10μs/div)
POK Output Response
Over-Current Protection
1200
1000
800
600
400
200
0
VIN (2V/div)
VOUT (2V/div)
VPOK (1V/div)
-200
Time (20ms/div)
Time (200μs/div)
3242.2006.04.1.10
7
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
