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Product attributes Property Value
Manufacturer Alpha & Omega Semiconductor Inc.
Product Series EZBuck™
Packaging Cut Tape (CT) | Tape & Reel (TR)
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 11.7V
Current - Output 3A
Frequency - Switching 1.25MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SMD, Flat Leads Exposed Pad
Supplier Device Package 8-DFN-EP (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The AOZ6763DI is a high-performance synchronous Buck DC-DC converter from Alpha & Omega Semiconductor. It accepts a wide input voltage from 4.5V to 18V and provides a regulated output from 0.6V to 11.7V, delivering up to 3A of continuous current. Operating at a fixed 1.25MHz switching frequency, it enables the use of small inductors and capacitors, saving valuable PCB space. Its high efficiency makes it ideal for point-of-load, industrial, and automotive applications.

  • High Efficiency: Synchronous rectification minimizes conduction losses, improving thermal performance and battery life.
  • Wide Input Voltage Range: Handles 4.5V to 18V, making it versatile for 5V, 12V, and 15V bus systems.
  • Compact Solution: The 1.25MHz switching frequency allows for small external components, reducing overall footprint.
  • High Output Current: 3A capability supports a wide range of power-hungry loads like FPGAs and processors.

High-Efficiency Point-of-Load (POL) Converters

For powering FPGAs, ASICs, and DSPs in computing and networking equipment, the AOZ6763DI's 3A output and 1.25MHz frequency allow for small external components, reducing board space while maintaining high efficiency.

Industrial Control Systems

With a wide 4.5V to 18V input range, this buck converter can operate from standard 12V industrial rails, providing a stable, adjustable output for sensors, microcontrollers, and communication interfaces in noisy environments.

Automotive Infotainment and Telematics

The 18V maximum input voltage makes it suitable for automotive applications that need to handle load-dump transients, providing a regulated low-voltage supply for processors and memory in infotainment systems.

Distributed Power Architectures

In systems with a 12V intermediate bus, the AOZ6763DI efficiently steps down to lower core voltages, offering a compact and cost-effective solution for multiple power rails.

Networking and Telecom Equipment

For routers, switches, and base stations, this converter's high frequency and small package enable dense board layouts, while its efficiency reduces thermal management challenges.

Battery-Powered Portable Devices

Although designed for higher input voltages, it can be used in systems with 2-3 Li-ion cells in series, providing a regulated output for peripherals and improving overall battery life through high conversion efficiency.

Q: What type of converter is the AOZ6763DI?
A: It is a synchronous Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4.5V to 18V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.6V to 11.7V.
Q: What is the maximum output current?
A: It can deliver up to 3A of continuous output current.
Q: What is the switching frequency?
A: The switching frequency is fixed at 1.25MHz.
Q: What package is available?
A: It comes in an 8-SMD package with flat leads and an exposed pad.
Base Product Number : AOZ6763DI
1.25MHz 3A 4.5V-18V 8-SMD Automotive Buck DC-DC Converter Industrial Point-of-Load Step-Down
Q: What type of converter is the AOZ6763DI?
A: It is a synchronous Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4.5V to 18V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.6V to 11.7V.
Q: What is the maximum output current?
A: It can deliver up to 3A of continuous output current.
Q: What is the switching frequency?
A: The switching frequency is fixed at 1.25MHz.
Q: What package is available?
A: It comes in an 8-SMD package with flat leads and an exposed pad.