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AOZ2151EQI-31

AOZ2151EQI-31

EZBuck™ DC-DC Buck Regulators

The AOZ2151EQI-31 is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 4A of continuous output current with an output voltage adjustable down to 0.8V ±1%. 

  • Datasheets
  • Markings
  • Package
  • Reliability Reports
  • Tape & Reel
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Features
  • Wide input voltage range
    - 6.5V to 28V
  • 4A continuous output current
  • Output voltage adjustable down to 0.8V (±1.0%)
  • Low RDS(ON) internal NFETs
    - 28mΩhigh-side
    - 28mΩlow-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 3mm x 3mm QFN-18L package
Features
  • Wide input voltage range
    - 6.5V to 28V
  • 4A continuous output current
  • Output voltage adjustable down to 0.8V (±1.0%)
  • Low RDS(ON) internal NFETs
    - 28mΩhigh-side
    - 28mΩlow-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 3mm x 3mm QFN-18L package
Documentation
TitleTypeDateFile
AOZ2151EQI-31 DatasheetDatasheets2023-04-12PDF
AOZ2151EQI-31 MarkingMarkings2023-04-12PDF
AOZ2151EQI-31 Reliability ReportReliability Reports2023-04-12PDF
QFN3x3_18L_EP2_SPackage2020-02-27PDF
QFN3x3_18L_EP2_S Tape & ReelTape & Reel2024-03-15PDF
Parametrics
Status
Full Production
Min Vin (V)
6.50
Max Vin (V)
28
Max Output I (A)
4
Min VOUT (V)
0.80
Max VOUT (V)
24
Package
QFN3x3-18L
Control Mode
COT
Light Load Mode
No
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
1000
Iq (uA)
160
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
28
LS FET RDS(ON) (mΩ)
28
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
No
Enable
Yes
PGood
No
Forced PWM
No
Ripple Reduction
No
Low Power Mode
No
Protection
Auto Restart
Digital Interface
NA
Output Discharge
No
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN3x3_18L_EP2_S 3.0x3.0x0.55PDFTape and Reel