AOZ1282CI
Typical Performance Characteristics
Circuit of Figure 1. TA = 25°C, VIN = VEN = 12V, VOUT = 3.3 V, unless otherwise specified.
Full Load Operation
Light Load Operation
IN
IN
Voltage
(1V/div)
Voltage
(500mV/div)
OUT
Voltage
(100mV/div)
OUT
Voltage
(100mV/div
LX
Voltage
(10V/div)
LX
Voltage
(10V/div)
LOAD
Current
(1A/div)
LOAD
Current
(1A/div)
2µs/div
2µs/div
Start Up to Full Load
Load Transient
IN
Voltage
(5V/div)
OUT
Voltage
(100mV/div
OUT
Current
(1A/div)
OUT
Voltage
(2V/div)
OUT
Current
(1A/div)
200µs/div
5ms/div
Short Circuit Protection
Short Circuit Recovery
LX
Voltage
(10V/div)
LX
Voltage
(10V/div)
OUT
Voltage
(2V/div)
OUT
Voltage
(2V/div)
LOAD
Current
(1A/div)
LOAD
Current
(1A/div)
2ms/div
2ms/div
Rev. 0.5 September 2012
www.aosmd.com
Page 5 of 13
AOS [ ALPHA & OMEGA SEMICONDUCTORS ]
