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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) 0.8V
Voltage - Output (Max) 6V
Current - Output 3A
Frequency - Switching 750kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The AOZ6683CI is a synchronous buck converter from Alpha & Omega Semiconductor, designed to deliver up to 3A of output current from an input voltage range of 4.5V to 18V. The output is adjustable from 0.8V to 6V, making it suitable for a variety of low-voltage rails. Operating at a fixed 750kHz switching frequency, it balances efficiency with component size. The compact TSOT-23-6 package is well-suited for consumer electronics, networking equipment, and industrial control applications.

  • Wide Input Voltage Range (4.5V-18V): Compatible with standard 5V and 12V power buses, offering design versatility across multiple applications.
  • 3A Continuous Output Current: Provides sufficient current for powering processors, FPGAs, and other high-current loads.
  • Fixed 750kHz Switching Frequency: Enables a good balance between efficiency and external component size, simplifying the design process.
  • Compact TSOT-23-6 Package: Saves valuable PCB space, making it ideal for space-constrained consumer and industrial products.

Set-Top Boxes and DVRs

The AOZ6683CI's 4.5V to 18V input range covers standard 5V and 12V supply rails, providing a stable 3A output for core logic, memory, and I/O circuits in consumer entertainment systems.

Home Networking Equipment

For routers, modems, and Wi-Fi extenders, this buck converter efficiently steps down a 12V adapter voltage to a 3.3V or 5V rail, ensuring reliable operation with minimal heat generation.

Industrial Control Systems

With a wide input range and robust design, it is suitable for powering microcontrollers, sensors, and communication interfaces in industrial automation and control panels.

Surveillance Cameras

The device can accept power from 12V PoE or adapter inputs, delivering a clean, regulated supply for the camera's image sensor, processor, and IR LEDs, even under varying load conditions.

Gaming Consoles and Peripherals

Its high efficiency and small footprint make it ideal for powering auxiliary rails in gaming consoles, controllers, and docking stations, where space and thermal management are critical.

Q: What type of converter is the AOZ6683CI?
A: It is a synchronous step-down (Buck) DC-DC converter from Alpha & Omega Semiconductor.
Q: What is the input voltage range?
A: The input voltage range is from 4.5V to 18V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.8V to 6V.
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: It operates at a fixed switching frequency of 750kHz.
Q: What package is available?
A: It is available in a SOT-23-6 Thin (TSOT-23-6) package.
Base Product Number : AOZ6683
3A 4.5V-18V 750kHz Alpha & Omega Buck Consumer DC-DC Converter Industrial Networking SOT-23-6 Step-Down
Q: What type of converter is the AOZ6683CI?
A: It is a synchronous step-down (Buck) DC-DC converter from Alpha & Omega Semiconductor.
Q: What is the input voltage range?
A: The input voltage range is from 4.5V to 18V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 0.8V to 6V.
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: It operates at a fixed switching frequency of 750kHz.
Q: What package is available?
A: It is available in a SOT-23-6 Thin (TSOT-23-6) package.