AAT3258_06 Datasheet, PDF (8/16 Pages) Advanced Analogic Technologies – 300mA LDO Linear Regulator with μP Reset

AAT3258
300mA LDO Linear Regulator with µP Reset
Typical Characteristics
Unless otherwise noted, V_IN = 5V, T_A = 25°C.
AAT3258 Self Noise
(C_OUT = 10µF, ceramic)
10
1
0.1
Band Power:
0.01 _{300Hz to 50kHz = 44.6µVrms/rtHz}
100Hz to 100kHz = 56.3µVrms/rtHz
0.001
0.01
0.1
1
10
100
Frequency (kHz)
1000 10000
Over-Current Protection
1200
1000
800
600
400
200
0
-200
Time (20ms/div)
LDO SHDN V_IH and V_IL vs. V_IN
1.250
1.225
1.200
1.175
V_IH
1.150
1.125
1.100
V_IL
1.075
1.050
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Normalized Reset Threshold
vs. Temperature
1.003
1.002
1.001
1.000
0.999
0.998
0.997
-40
-20
0
20
40
60
80
Temperature (°C)
Power-Up Reset Timeout
vs. Temperature
320
300
280
260
240
220
200
180
160
-40
-20
0
20
40
60
80
100
Temperature (°C)
8
Power-Down Reset Propagation
Delay vs. Temperature
30
25
VDO = 10mV
20
15
10
VDO = 100mV
5
0
-40
-20
0
20
40
60
80
Temperature (°C)
3258.2006.03.1.6