AOSMD
PRODUCTS
  
APPLICATIONS
  
DESIGN SUPPORT
  
ABOUT
  
CONTACT US

AOZ2377QI

EZBuck™ DC-DC Buck Regulators

Status: Full Production

The AOZ2377QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates over a wide 6.5 V to 24V voltage range.The device is capable of supplying 20A of continuous output current with an output voltage adjustable down to 0.6V (±1.0%).

AOZ2377QI Typ App Drawing
enlarge
Parametrics
Status
Full Production
Min Vin (V)
6.50
Max Vin (V)
24
Max Output I (A)
20
Min VOUT (V)
0.60
Max VOUT (V)
20
Package
QFN5x5-28L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
1000
Iq (uA)
280
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
5
LS FET RDS(ON) (mΩ)
1.80
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)
24
Max Output I (A)
20
Min VOUT (V)
0.60
Max VOUT (V)
20
Package
QFN5x5-28L
Control Mode
COT
Light Load Mode
Yes
Ultrasonic Mode
No
External Comp
No
VCC Supply
Internal
Operating Freq (kHz)
1000
Iq (uA)
280
Soft Start (ms)
External
HS FET RDS(ON) (mΩ)
5
LS FET RDS(ON) (mΩ)
1.80
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 24V
  • 20A continuous output current
  • Output voltage adjustable from 0.6 V ±1.0%
  • Low RDS(ON) internal NFETs
    - 5mΩ high-side
    - 1.8mΩ low-side
  • Constant On-Time with input feed-forward
  • Programmable on-time up to 3.5μs and down to 80 ns
  • Programmable switching frequency range: 32kHz to 1MHz (for 12 VIN to 1 VOUT)
  • Selectable PFM or forced PWM light load operation
  • Ceramic capacitor stable
  • Adjustable soft start
  • Power Good output
  • Integrated bootstrap diode
  • Cycle-by-cycle current limit
  • Short-circuit protection
  • Thermal shutdown
  • Thermally enhanced 5 mm x 5 mm QFN-28L package
Documentation
TitleTypeDateFile
AOZ2377QI Datasheet
Datasheets2023-04-12PDF
AOZ2377QI Marking
Markings2023-04-12PDF
AOZ2377QI Reliability Report
Reliability Reports2023-04-12PDF
QFN5x5_28L_EP3_S
Package2021-04-12PDF
QFN5x5_28L_EP3_S Tape & Reel
Tape & Reel2024-03-15PDF
Package Details
Package NameDimensionsPackage SpecificationsPackaging Method
QFN5x5_28L_EP3_S 5.0x5.0x0.9PDFTape and Reel