AOZ1110QI Alpha & Omega Semiconductor Inc, AOZ1110QI Datasheet - Page 6
![no-image](/images/manufacturer_photos/0/0/35/alpha___omega_semiconductor_inc_sml.jpg)
AOZ1110QI
Manufacturer Part Number
AOZ1110QI
Description
IC BUCK SYNC ADJ 4A 24QFN
Manufacturer
Alpha & Omega Semiconductor Inc
Series
EZBuck™r
Type
Step-Down (Buck), PWM - Current Moder
Datasheet
1.AOZ1110QI.pdf
(16 pages)
Specifications of AOZ1110QI
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.8 V ~ 5.5 V
Current - Output
4A
Frequency - Switching
500kHz, 1MHz
Voltage - Input
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
785-1257-2
Typical Performance Characteristics
Circuit of Figure 1 with internal soft-start. T
Rev. 1.0 October 2010
Switching Waveforms at Light Load
Load Transient Waveforms
Start Up Waveforms
200us/div
400ns/div
1ms/div
A
= 25°C, V
Vo ripple
10mV/div
Vin ripple
0.1V/div
VLX
5V/div
IL
1A/div
Enable
5V/div
Pgood
2V/div
Vo
0.5V/div
IIN
2A/div
www.aosmd.com
Vo
50mV/div
Io
2A/div
IN
= V
EN
= 3.3V, V
Switching Waveforms at Heavy Load
Short-Circuit Protection Waveforms
Short-Circuit Recovery Waveforms
OUT
= 1.2V unless otherwise specified.
400ns/div
1ms/div
1ms/div
AOZ1110
Page 6 of 16
LX
5V/div
Pgood
2V/div
Vo
1V/div
IL
5A/div
Vo ripple
10mV/div
Vin ripple
0.1V/div
VLX
5V/div
IL
1A/div
LX
5V/div
Pgood
2V/div
Vo
1V/div
IL
5A/div