AAT3239
500mA MicroPower™ LDO
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, T
A
= 25°C.
Dropout Voltage vs. Temperature
3.20
900
840
780
720
660
600
540
480
420
360
300
240
180
120
60
0
3.00
Dropout Characteristics
I
OUT
= 0mA
Dropout Voltage (mV)
I
L
= 500mA
I
L
= 400mA
Output Voltage (V)
2.80
2.60
2.40
2.20
2.00
1.80
1.60
I
L
= 300mA
I
OUT
= 150mA
I
OUT
= 100mA
I
OUT
= 50mA
I
OUT
= 10mA
2.80
2.90
3.00
3.10
3.20
3.30
3.40
I
OUT
= 500mA
I
OUT
= 300mA
I
L
= 150mA
I
L
= 100mA
I
L
= 50mA
-40 -30 -20 -10 0
10 20 30 40
50 60 70 80 90 100 110 120
1.40
2.70
3.50
3.60
3.70
Temperature (°C)
Input Voltage (V)
Dropout Voltage vs. Output Current
900
90
80
70
60
50
40
30
20
10
0
Ground Current vs. Input Voltage
Dropout Voltage (mV)
700
600
500
400
300
200
100
0
0
50
100
150
200
250
300
350
400
450
500
Ground Current (µA)
800
85°C
25°C
-40°C
I
OUT
= 500mA
I
OUT
= 0mA
I
OUT
= 10mA
I
OUT
= 300mA
I
OUT
= 150mA
I
OUT
= 50mA
2
2.5
3
3.5
4
4.5
5
Output Current (mA)
Input Voltage (V)
Quiescent Current vs. Temperature
100
Output Voltage vs. Temperature
1.203
1.202
Quiescent Current (µA)
90
Output Voltage (V)
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120
80
70
60
50
40
30
20
10
0
1.201
1.200
1.199
1.198
1.197
1.196
-40 -30 -20 -10
0
10 20
30
40
50 60
70 80
90 100
Temperature (°C)
Temperature (°C)
3239.2006.03.1.2
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
