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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tape & Reel (TR) |
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.7V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1V
Voltage - Output (Max) 5.5V
Current - Output 3A
Frequency - Switching 2MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 12-VFDFN Exposed Pad, 12-MLF®
Supplier Device Package 12-MLF™ (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip MIC4723YML-TR is a synchronous buck converter capable of delivering up to 3A from a 2.7V to 5.5V input. Its output is adjustable from 1V to 5.5V, making it versatile for powering FPGAs, DSPs, and peripheral rails. The fixed 2MHz switching frequency allows for small inductors and capacitors, reducing board space. High efficiency across load ranges makes it suitable for battery-operated and line-powered applications alike. Available in a compact 12-VFDFN or 12-MLF package.

  • High Output Current: 3A continuous capability supports demanding processors and FPGAs.
  • Wide Adjustable Output: From 1V to 5.5V, covering common logic and I/O voltages.
  • Small Footprint: 2MHz switching enables tiny external components, ideal for dense PCBs.
  • High Efficiency: Synchronous rectification reduces power loss, improving thermal performance.

FPGA and DSP Core Power

The 3A output capability and 2.7V to 5.5V input range make it ideal for powering low-voltage cores in FPGAs and DSPs from a 3.3V or 5V supply rail, ensuring stable operation under dynamic loads.

Point-of-Load (POL) Converters

In networking equipment and servers, the MIC4723YML-TR can be placed close to ASICs to provide a clean 1.8V or 2.5V rail, minimizing IR drops and improving transient response.

Portable Gaming Consoles

With 3A output and 2MHz switching, this buck converter efficiently steps down a Li-ion battery (3.7V) to power the application processor and graphics engine, extending playtime.

Industrial Sensors and Actuators

For 24V industrial buses stepped down to 5V, this converter's wide input tolerance and high current drive can power multiple sensors and communication interfaces reliably.

Set-Top Boxes and Streaming Devices

The high efficiency at 2MHz reduces heat generation, making it suitable for enclosed consumer electronics that require a 1.2V or 1.5V rail for SoC cores.

USB-Powered Peripherals

When powered from a 5V USB port, the MIC4723YML-TR can generate a 3.3V rail for external hard drives or printers, delivering up to 3A for motor and logic circuits.

Q: What type of converter is the MIC4723YML-TR?
A: It is a Buck (step-down) DC-DC converter IC from Microchip Technology.
Q: What is the input voltage range?
A: The input voltage range is from 2.7V to 5.5V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 1V to 5.5V.
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 2MHz.
Q: What package options are available?
A: It is offered in a 12-VFDFN exposed pad or 12-MLF package.
Base Product Number : MIC4723YML
12-MLF 12-VFDFN 2.7V-5.5V 2MHz 3A Buck DC-DC Converter FPGA Microchip POL
Q: What type of converter is the MIC4723YML-TR?
A: It is a Buck (step-down) DC-DC converter IC from Microchip Technology.
Q: What is the input voltage range?
A: The input voltage range is from 2.7V to 5.5V.
Q: What is the output voltage range?
A: The output voltage is adjustable from 1V to 5.5V.
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 2MHz.
Q: What package options are available?
A: It is offered in a 12-VFDFN exposed pad or 12-MLF package.