150mA CMOS High Performance LDO
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, T
A
= 25°C.
AAT3215
On/Off Transient Response
(No C
BYP
Capacitor)
On/Off Transient Response
(C
BYP
= 10nF)
EN (2V/div)
V
OUT
(1V/div)
EN (2V/div)
V
OUT
(1V/div)
10mA
10mA
150mA
150mA
Time (100µs/div)
Time (5ms/div)
Line Transient Response
3.04
6
3.10
Load Transient Response
500
Output Current (mA)
Output Voltage (V)
3.02
3.01
3.00
2.99
2.98
4
3
2
1
0
Output Voltage (V)
3.03
5
3.05
3.00
2.95
2.90
2.85
2.80
400
300
200
100
0
-100
Input Voltage (V)
Time (5µs/div)
Time (100µs/div)
Short-Circuit Current
Short-Circuit Current (A)
1.2
1
Power Supply Rejection Ratio vs.
Frequency
90
80
I
OUT
= 150mA
C
OUT
= 10μF
4.7μF
2.2μF
PSRR (dB)
0.8
0.6
0.4
0.2
0
70
60
50
40
30
20
10
0
10
1.0μF
100
1k
10k
100k
1m
10m
Time (10ms/div)
Frequency (Hz)
6
3215.2006.05.1.6
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
