AAT3215
150mA CMOS High Performance LDO
Typical Characteristics
(Unless otherwise noted, V
IN
= 5V, T
A
= 25°C)
On/Off Transient Response
No C
BYP
Capacitor
On/Off Transient Response
C
BYP
=10nF
EN (2V/div)
V
OUT
(1V/div)
10mA
10mA
150mA
EN (2V/div)
V
OUT
(1V/div)
150mA
100µs/div
5ms/div
Line Transient Response
3.04
3.03
3.02
6
5
4
3.10
3.05
3.00
Load Transient Response
500
400
300
200
100
0
-100
3.01
3.00
2.99
2.98
3
2
1
0
2.95
2.90
2.85
2.80
5µs/div
100
µs/div
Short Circuit Current
1.2
1
0.8
90
80
Power Supply Rejection Ratio vs.
Frequency
I
OUT
=150mA
C
OUT
=10µf
4.7µf
2.2µf
PSRR (dB)
Isc(A)
70
60
50
40
30
20
10
0
10
0.6
0.4
0.2
0
1.0µf
100
1k
10k
100k
1m
10m
10ms/div
Frequency (Hz)
3215.2002.03.0.91
I
OUT
(mA)
V
OUT
V
OUT
V
IN
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
