PRODUCT DATASHEET
AAT2786
TM
SystemPower
1.5A Step-Down Converter and 150mA LDO
Typical Characteristics–LDO
Turn-Off Response Time
(CBYP = 10nF)
Initial Power-Up Response Time
(CBYP = 10nF)
VEN (5V/div)
VEN (5V/div)
VOUT (1V/div)
VOUT (1V/div)
Time (400µs/div)
Time (50µs/div)
Over-Current Protection
Turn-On Time From Enable (VIN present)
(CBYP = 10nF)
1200
1000
800
600
400
200
0
VEN (5V/div)
VOUT (1V/div)
-200
Time (20ms/div)
Time (5µs/div)
Load Transient Response
Line Transient Response
2.90
2.85
2.80
2.75
2.70
2.65
2.60
500
400
300
200
100
0
6
5
4
3
2
1
0
3.04
3.03
3.02
3.01
3.00
2.99
2.98
VOUT
VIN
VOUT
IOUT
-100
Time (100µs/div)
Time (100µs/div)
w w w . a n a l o g i c t e c h . c o m
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2786.2008.04.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
