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AOZ2223QI

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ2223QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 36V. The device is capable of supplying 8A of continuous output current with an output voltage adjustable from 0.8V to 16V. 

AOZ2223QI Typ App Drawing
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Parametrics
Status
Full Production
Min Vin (V)
4.80
Max Vin (V)
36
Max Output I (A)
8
Min VOUT (V)
0.80
Max VOUT (V)
16
Package
QFN4x4B-23L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
1000
Iq (uA)
140
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
20
LS FET RDS(ON) (mΩ)
10
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
No
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
Yes
Low Power Mode
No
Protection
Auto Restart
Digital Interface
NA
Output Discharge
No
Parametrics
Status
Full Production
Min Vin (V)
4.80
Max Vin (V)
36
Max Output I (A)
8
Min VOUT (V)
0.80
Max VOUT (V)
16
Package
QFN4x4B-23L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
1000
Iq (uA)
140
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
20
LS FET RDS(ON) (mΩ)
10
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
No
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
Yes
Low Power Mode
No
Protection
Auto Restart
Digital Interface
NA
Output Discharge
No
Features
  • Wide input voltage range
    - 4.8V to 36V Connect BIAS to an external bias (>5V)
    - 6.5V to 36V (Connect BIAS to V OUT if V OUT >5V)
  • Output voltage adjustable from 0.8V to 16V.
  • 8A continuous output current
  • Low RDS(ON) internal NFETs
    - 20mΩ high-side
    - 10mΩ low-side
  • Constant On-Time with input feed-forward
  • Ceramic capacitor stable
  • Adjustable soft start
  • Integrated bootstrap diode
  • Cycle-by-cycle current limit
  • Short-circuit protection
  • Thermal shutdown
  • Thermally enhanced 4mm x 4mm QFN-23L package
Documentation
TitleTypeDateFile
AOZ2223QI Datasheet
Datasheets2023-04-12PDF
AOZ2223QI Marking
Markings2023-04-12PDF
AOZ2223QI Reliability Report
Reliability Reports2023-04-12PDF
QFN4x4B_23L_EP2_S
Package2024-03-20PDF
QFN4x4B_23L_EP2_S Tape & Reel
Tape & Reel2024-04-25PDF
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN4x4B_23L_EP2_S 4.0x4.0x0.9PDFTape and Reel