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AOZ2254TQI-20

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ2254TQI-20 is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 10A of continuous output current with an output voltage adjustable down to 0.8V (±1.0%).

AOZ2254TQI-20 Typ App Drawing
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Parametrics
Status
Full Production
Min Vin (V)
14
Max Vin (V)
28
Max Output I (A)
10
Min VOUT (V)
11
Max VOUT (V)
18
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
No
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
Related to VOUT
Iq (uA)
2000
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
11
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
No
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
No
Low Power Mode
No
Protection
Auto Restart
Digital Interface
NA
Output Discharge
No
Parametrics
Status
Full Production
Min Vin (V)
14
Max Vin (V)
28
Max Output I (A)
10
Min VOUT (V)
11
Max VOUT (V)
18
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
No
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
Related to VOUT
Iq (uA)
2000
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
11
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
No
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
No
Low Power Mode
No
Protection
Auto Restart
Digital Interface
NA
Output Discharge
No
Features
  • Wide input voltage range
    • 14V to 28V
  • 8A continuous output current
  • Output voltage adjustable down to 0.8V (±1.0%)
  • Low RDS(ON) internal NFETs
    • 11mΩ high-side
    • 11mΩ low-side
  • Constant On-Time with input feed-forward
  • Ceramic capacitor stable
  • Adjustable soft start
  • Power Good output
  • Integrated bootstrap diode
  • Cycle-by-cycle current limit
  • Short-circuit protection
  • Thermal shutdown
  • Force PWM operation
  • Thermally-enhanced 4mm x 4mm QFN-22L package
Documentation
TitleTypeDateFile
AOZ2254TQI-20 Datasheet
Datasheets2023-03-29PDF
AOZ2254TQI-20 Marking
Markings2022-10-06PDF
QFN4x4_22L_EP2_S
Package2024-06-07PDF
QFN4x4_22L_EP2_S Tape & Reel
Tape & Reel2024-04-25PDF
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN4x4_22L_EP2_S 4.0x4.0x0.9PDFTape and Reel