AAT3258
300mA LDO Linear Regulator with µP Reset
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, T
A
= 25°C.
Dropout Voltage vs. Temperature
3.20
Dropout Characteristics
540
Dropout Voltage (mV)
420
360
300
240
180
120
60
0
Output Voltage (V)
480
I
L
= 300mA
3.00
2.80
2.60
2.40
2.20
I
OUT
= 0mA
I
L
= 150mA
I
L
= 100mA
I
OUT
= 300mA
I
OUT
= 150mA
I
OUT
= 100mA
I
OUT
= 50mA
I
L
= 50mA
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 90 100 110 120
2.00
2.70
I
OUT
= 10mA
2.80
2.90
3.00
3.10
3.20
3.30
Temperature (°C)
Input Voltage (V)
Dropout Voltage vs. Output Current
90.00
500
80.00
Ground Current vs. Input Voltage
Dropout Voltage (mV)
Ground Current (µA)
450
400
350
300
250
200
150
100
50
0
0
50
100
150
200
250
300
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
2
2.5
3
3.5
4
4.5
5
85°C
25°C
-40°C
I
OUT
= 300mA
I
OUT
= 0mA
I
OUT
= 150mA
I
OUT
= 50mA
I
OUT
= 10mA
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)
6
3258.2006.03.1.6
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
