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AOZ2261AQI-15

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ2261AQI-15 is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 8A of continuous output current with an output voltage adjustable down to 0.8V ±1%.

AOZ2261AQI-15 Typ App Drawing
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Parametrics
Status
Full Production
Min Vin (V)
4
Max Vin (V)
28
Max Output I (A)
8
Min VOUT (V)
0.80
Max VOUT (V)
24
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
External
Operating Freq (kHz)
1000
Iq (uA)
150
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
30
LS FET RDS(ON) (mΩ)
12
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
Max Vin (V)
28
Max Output I (A)
8
Min VOUT (V)
0.80
Max VOUT (V)
24
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
External
Operating Freq (kHz)
1000
Iq (uA)
150
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
30
LS FET RDS(ON) (mΩ)
12
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
    • 4V to 28V
  • 8A continuous output current
  • Output voltage adjustable down to 0.8V (±1.0%)
  • Low RDS(ON) internal NFETs
    • 30mΩ high-side
    • 12mΩ low-side
  • Constant On-Time with input feed-forward
  • Programmable on-time up to 3.5µs
  • Selectable PFM light-load operation
  • Ceramic capacitor stable
  • Adjustable soft start
  • Ripple reduction
  • Power Good output
  • Integrated bootstrap diode
  • Cycle-by-cycle current limit
  • Short-circuit protection
  • Over voltage protection
  • Thermal shutdown
  • Thermally-enhanced 4 mm x 4 mm QFN-22L package
Documentation
TitleTypeDateFile
AOZ2261AQI-15 Datasheet
Datasheets2019-04-17PDF
AOZ2261AQI-15 Evaluation Board
Eval Boards2023-10-12PDF
AOZ2261AQI-15 Marking
Markings2020-04-27PDF
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