AAT2786 Datasheet, PDF (12/27 Pages) Advanced Analogic Technologies – 1.5A Step-Down Converter and 150mA LDO

SystemPower^TM
Typical Characteristics–LDO
Initial Power-Up Response Time
(C_BYP = 10nF)
V_EN (5V/div)
PRODUCT DATASHEET
AAT2786
1.5A Step-Down Converter and 150mA LDO
Turn-Off Response Time
(C_BYP = 10nF)
V_EN (5V/div)
V_OUT (1V/div)
Time (400µs/div)
Turn-On Time From Enable (V_IN present)
(C_BYP = 10nF)
V_EN (5V/div)
V_OUT (1V/div)
Time (5µs/div)
Line Transient Response
6
3.04
5
3.03
V_IN
4
3.02
3
3.01
2
3.00
1
V_OUT
2.99
0
2.98
Time (100µs/div)
V_OUT (1V/div)
Time (50µs/div)
Over-Current Protection
1200
1000
800
600
400
200
0
-200
Time (20ms/div)
Load Transient Response
2.90
500
2.85
V_OUT
400
2.80
300
2.75
200
2.70
100
2.65
2.60
I_OUT
0
-100
Time (100µs/div)
12
www.analogictech.com
2786.2008.04.1.0