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AOZ1270AQI

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ1270AQI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 15A of continuous output current with an output voltage adjustable down to 0.6V ±1%.

AOZ1270AQI Typ App Drawing
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Parametrics
Status
Full Production
Min Vin (V)
6.50
Max Vin (V)
28
Max Output I (A)
15
Min VOUT (V)
0.60
Max VOUT (V)
24
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
400
Iq (uA)
150
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
4.50
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
Latch
Digital Interface
NA
Output Discharge
No
Parametrics
Status
Full Production
Min Vin (V)
6.50
Max Vin (V)
28
Max Output I (A)
15
Min VOUT (V)
0.60
Max VOUT (V)
24
Package
QFN4x4-22L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
400
Iq (uA)
150
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
4.50
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
Latch
Digital Interface
NA
Output Discharge
No
Features
  • Wide input voltage range
    • 6.5V to 28V
  • 15A continuous output current
  • Output voltage adjustable down to 0.6V (±1.0%)
  • Low RDS(ON) internal NFETs
    • 11mΩ high-side
    • 4.5mΩ low-side
  • Programmable on-time up to 3.5µs
  • Selectable PFM light-load operation
  • Adjustable soft start
  • Ripple reduction
  • Power Good output
  • Thermally-enhanced 4 mm x 4 mm QFN-22L package
Documentation
TitleTypeDateFile
AOZ1270AQI Datasheet
Datasheets2022-03-09PDF
AOZ1270AQI Marking
Markings2022-01-10PDF
AOZ1270AQI Reliability Report
Reliability Reports2022-01-10PDF
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