AAT3239
500mA MicroPower™ LDO
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, T
A
= 25°C.
Load Transient Response 500mA
2.1
2
1000
900
800
700
600
500
400
300
200
100
0
AAT3239 Self Noise
(C
OUT
= 10µF, ceramic)
Noise Amplitude (µV/rtHz)
Output Voltage (V)
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
Output Current (mA)
V
OUT
10
1
0.1
Band Power:
300Hz to 50kHz = 44.6µVrms/rtHz
100Hz to 100kHz = 56.3µVrms/rtHz
I
OUT
0.01
0.001
0.01
0.1
1
10
100
1000
10000
Time (100µs/div)
Frequency (kHz)
Over-Current Protection
1200
1.250
1.225
800
600
400
200
1.100
0
-200
1.075
1.050
2.5
3.0
1.200
1.175
1.150
1.125
V
IH
and V
IL
vs. V
IN
Output Current (mA)
1000
V
IH
V
IL
Time (20ms/div)
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
3239.2006.03.1.2
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
