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AOZ23645RQI

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ23645RQI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator capable of operation from a 4 V to 28 V input bus. The device is capable of supplying 16 A of continuous output current with an output voltage adjustment from 0 V to 1.8 V by controlling VID0 and VID1 signals. 

AOZ23645RQI Typ App Drawing
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Parametrics
Status
Full Production
Application
Intel VCCIN_AUX RPL
Min Vin (V)
4
Max Vin (V)
28
Max Output I (A)
15
Min VOUT (V)
0
Max VOUT (V)
1.80
Package
QFN5x5A-31L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
External
Operating Freq (kHz)
400
Iq (uA)
70
Soft Start (ms)
1.5
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
4
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
Yes
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
Yes
Low Power Mode
No
Protection
Latch
Digital Interface
2-bit VID
Output Discharge
No
Parametrics
Status
Full Production
Application
Intel VCCIN_AUX RPL
Min Vin (V)
4
Max Vin (V)
28
Max Output I (A)
15
Min VOUT (V)
0
Max VOUT (V)
1.80
Package
QFN5x5A-31L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
External
Operating Freq (kHz)
400
Iq (uA)
70
Soft Start (ms)
1.5
HS FET RDS(ON) (mΩ)
11
LS FET RDS(ON) (mΩ)
4
Max Duty Cycle
85%
Adj. I Limit
No
Remote Sense
Yes
Enable
Yes
PGood
Yes
Forced PWM
Yes
Ripple Reduction
Yes
Low Power Mode
No
Protection
Latch
Digital Interface
2-bit VID
Output Discharge
No
Features
  • Wide input voltage range
    - 4 V to 28 V
  • Support Intel ITDC up to 16 A
  • Support Intel ICCMAX up to 32 A
  • 2 bits programmable output voltage adjustable from 0 V to 1.8 V
  • Integrated high performance trench MOSFETs capable of :
    • High peak current
      • Up to 45A with 10ms on pulse
      • Up to 70A with 10μs on pulse
    • High efficiency ceramic capacitor stable 
      • 11 mΩ high-side
      • 4 mΩ low-side
  • Constant On-Time with input feed-forward
  • Programmable frequency up to 2.6 μs
  • Selectable PFM light load operation
  • Adjustable load-line compensation
  • High accuracy current monitor
  • Remote sense
  • Ceramic capacitor stable
  • Fixed soft start
  • Power Good output
  • Integrated bootstrap diode
  • Cycle-by-cycle current limit
  • Short-circuit protection
  • Over voltage protection
  • Thermal shutdown
  • Thermally enhanced 31-pin 5 m×5 m QFN

 

 

 

Documentation
TitleTypeDateFile
AOZ23645RQI Datasheet
Datasheets2023-06-16PDF
AOZ23645RQI Marking
Markings2023-04-06PDF
AOZ23645RQI Reliability Report
Reliability Reports2023-04-06PDF
QFN5x5A_31L_EP2_S
Package2022-03-01PDF
QFN5x5A_31L_EP2_S Tape & Reel
Tape & Reel2024-03-15PDF
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN5x5A_31L_EP2_S 5.0x5.0x0.75PDFTape and Reel