AAT2505 Datasheet, PDF (7/26 Pages) Advanced Analogic Technologies – Dual Channel, Step-Down Converter/Linear Regulator

Typical Characteristics
Unless otherwise noted, V_IN = 5V, T_A = 25°C.
LDO Turn-Off Response Time
(EN = GND; ENLDO = V_IN)
V_ENLDO (5V/div)
AAT2505
Dual Channel, Step-Down
Converter/Linear Regulator
LDO Turn-On Time From Enable (V_IN present)
(EN = GND; ENLDO = V_IN)
V_ENLDO = 5V/div
V_OUT (1V/div)
Time (50µs/div)
V_OUT = 1V/div
Time (5µs/div)
V_IN = 4V
LDO Line Transient Response
(EN = GND; ENLDO = V_IN)
6
3.04
5
3.03
V_IN
4
3.02
3
3.01
2
3.00
V_OUT
1
2.99
0
2.98
Time (100µs/div)
LDO Load Transient Response
(EN = GND; ENLDO = V_IN)
2.90
500
2.85 _VOUT
400
2.80
300
2.75
200
2.70
100
2.65
2.60
I_OUT
0
-100
Time (100µs/div)
LDO Load Transient Response 300mA
(EN = GND; ENLDO = V_IN)
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)
2505.2006.06.1.1
7