TDK FS3305 μPOL™ Buck Regulator


TDK FS3305 μPOL™ Buck Regulator

Manufacturer

Part #

Category

TDK FS3305 Power

Description

The TDK FS3305 μPOL™ Buck Regulator is a fully integrated, highly efficient micro-Point-Of-Load voltage regulator featuring an on-chip PWM controller and integrated MOSFETs with an inductor. It operates over a 2.75V to 5.5V input voltage range and provides a 0.4V to 3.3V adjustable output voltage with ±0.5% initial accuracy. The regulator includes built-in protections such as soft-start, over-voltage, overcurrent with hiccup mode, and thermal shutdown with auto-recovery, making it ideal for applications like optical networking, FPGAs, ASICs, industrial devices, drones, and IoT.


Introduction

The TDK FS3305 μPOL™ Buck Regulator is a compact, high-efficiency voltage regulator designed for modern electronic systems. With its integrated features and robust protections, it offers a reliable solution for precise power management in a variety of demanding applications.

Part Description

The TDK FS3305 μPOL™ Buck Regulator is a fully integrated micro-Point-Of-Load (μPOL™) voltage regulator. It combines an on-chip PWM controller, integrated MOSFETs, and an inductor into a single package, simplifying design and saving board space. The regulator operates from a 2.75V to 5.5V input voltage and delivers an adjustable output voltage from 0.4V to 3.3V with ±0.5% initial accuracy. Built-in protections include soft-start, over-voltage, overcurrent with hiccup mode, and thermal shutdown with auto-recovery, ensuring safe and reliable operation.

Applications

  • Powering FPGAs and ASICs
  • Optical networking equipment
  • Industrial automation devices
  • Drones and UAVs
  • IoT edge devices
  • Embedded computing systems

Industries

  • Telecommunications
  • Industrial automation
  • Aerospace and defense
  • Consumer electronics
  • Networking and data centers
  • IoT and smart devices

Usage Ideas

  1. FPGA Power Supply Module
    Design a compact power supply board for FPGAs using the FS3305 to provide precise core voltage with robust protection features.

  2. Smart Sensor Node
    Integrate the FS3305 into an IoT sensor node to efficiently convert battery voltage to the low voltages required by microcontrollers and wireless modules.

  3. Drone Flight Controller Power
    Use the FS3305 to supply stable, noise-free power to a drone’s flight controller and critical sensors, enhancing reliability and flight performance.

Conclusion

The TDK FS3305 μPOL™ Buck Regulator stands out as a versatile and efficient solution for modern power management needs. Its high integration, adjustable output, and comprehensive protection features make it ideal for a wide range of applications across multiple industries, from industrial automation to cutting-edge IoT devices.