AAT3258_06 Datasheet, PDF (7/16 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.
Initial Power-Up Response Time
(C_BYP = 10nF)
V_SHDN (5V/div)
Turn-Off Response Time
(C_BYP = 10nF)
V_SHDN (5V/div)
V_OUT (1V/div)
Time (400µs/div)
V_OUT (1V/div)
Time (50µs/div)
Turn-On Time From Enable (V_IN present)
(C_BYP = 10nF)
V_SHDN (5V/div)
Line Transient Response
6
3.04
5
3.03
V_IN
4
3.02
3
3.01
2
3.00
V_OUT
1
2.99
V_OUT = 1V/div
V_IN = 4V
Time (5µs/div)
0
2.98
Time (100µs/div)
Load Transient Response
2.90
500
2.85 _VOUT
400
2.80
300
2.75
200
2.70
100
2.65
I_OUT
2.60
0
-100
Time (100µs/div)
Load Transient Response 300mA
3.00
800
2.90
700
2.80
V_OUT
600
2.70
500
2.60
400
2.50
300
2.40
200
2.30
I_OUT
100
2.20
0
2.10
-100
Time (10µs/div)
3258.2006.03.1.6
7