aoz1281di Alpha & Omega Semiconductor, aoz1281di Datasheet - Page 5

• Manufacturer Part Number: aoz1281di
• Description: Ezbucktm 1.8 A Simple Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Typical Performance Characteristics
Circuit of Figure 1. V
Rev. 1.0 June 2011
50% to 100% Load Transient
Light Load Operaiton
Startup to Full Load
IN
= 12 V, V
500ns/div
200μs/div
2ms/div
OUT
= 3.3 V, L = 4.7 μH, C1 = 10 μF, C2 = 22 μF, T
Vo
50mV/div
Vin
50mV/div
Vo
20mV/div
IL
500mA/div
Vlx
5V/div
Vo
1V/div
Vin
5V/div
Iin
1A/div
Io
1A/div
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Short Circuit Protection
Short Circuit Recovery
A
Full Load Operation
= 25 °C, unless otherwise specified.
Vin
5V/div
500ns/div
2ms/div
2ms/div
AOZ1281
Page 5 of 12
Vlx
5V/div
Vo
1V/div
lL
1A/div
Vo
1V/div
Vin
200mV/div
Vo
20mV/div
IL
1A/div
Vlx
5V/div
Vin
5V/div
Vlx
5V/div
lL
1A/div