AAT3236
300mA CMOS High Performance LDO
Typical Characteristics
On/Off Transient Response
(No C
BYP
Capacitor)
On/Off Transient Response
(C
BYP
= 10nF)
EN (2V/div)
150mA
10mA
EN (2V/div)
V
OUT
(1V/div)
V
OUT
(1V/div)
10mA
150mA
300mA
300mA
Time (5ms/div)
Time (100µs/div)
Line Transient Response
3.20
6
5
3.10
Load Transient Response
1200
Output Current (mA)
Output Voltage (V)
3.15
3.10
3.05
3.00
2.95
2.90
Output Voltage (V)
3.05
3.00
2.95
2.90
2.85
2.80
1000
800
600
400
200
0
Input Voltage (V)
4
3
2
1
0
Time (5µs/div)
Time (100µs/div)
Short-Circuit Current
Short-Circuit Current (A)
1.2
1
90
80
Power Supply Rejection Ratio
vs. Frequency
PSRR (dB)
0.8
0.6
0.4
0.2
70
60
4.7μF
10μF
2.2μF
50
40
1.0μF
30
10
100
1k
10k
100k
1m
10m
0
Time (10ms/div)
Frequency (Hz)
6
3236.2007.03.1.4
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
