• FAN3852UC16X WLCSP-6


With 6 pins and a Class-AB design, this microphone delivers clear and reliable audio amplification."


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  • Part Number : FAN3852UC16X

  • Package/Case : WLCSP-6

  • Brands : Onsemi

  • Components Categories : Audio Special Purpose

  • Datesheet : FAN3852UC16X DataSheet (PDF)

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Overview of FAN3852UC16X

The FAN3852UC16X is a synchronous buck converter IC designed for high-efficiency power supply applications. This IC offers a wide input voltage range and high switching frequency, making it suitable for various power management tasks.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • GND: Ground connection
  • VOUT: Output voltage
  • FB: Feedback pin for output regulation
  • EN: Enable pin for turning the converter on/off
  • SW: Switching node for the buck converter
  • CIN: Input capacitor connection
  • COUT: Output capacitor connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the FAN3852UC16X IC for a visual representation.

Key Features

  • High Efficiency: The FAN3852UC16X offers high efficiency in voltage conversion, reducing power losses.
  • Wide Input Voltage Range: Supports a broad input voltage range, enabling versatile applications.
  • Fast Switching Frequency: Features a high switching frequency for efficient power management.
  • Output Voltage Regulation: Provides stable output voltage regulation for consistent performance.
  • Enable Function: Includes an enable pin for convenient control of the converter operation.
  • Compact Package: Available in a compact UCSP-16 package for space-saving designs.

Note: For detailed technical specifications, please refer to the FAN3852UC16X datasheet.


  • Power Management: Ideal for power supply applications requiring high efficiency and voltage regulation.
  • Embedded Systems: Suitable for use in embedded systems, IoT devices, and other electronics for power conversion.
  • Battery-Powered Devices: Used in battery-powered devices for efficient power management and voltage conversion.


The FAN3852UC16X is a synchronous buck converter IC that efficiently converts input voltage to the desired output voltage with high efficiency and stable regulation. It is a reliable solution for various power supply needs.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source.
  • Output Voltage: Connect VOUT (Pin 3) to the load for the regulated output voltage.
  • Feedback: Use the FB (Pin 4) pin with appropriate components for output voltage regulation.
  • Enable Control: Utilize the EN (Pin 5) pin to control the converter's operation.

Frequently Asked Questions

Q: What is the maximum efficiency of the FAN3852UC16X?
A: The FAN3852UC16X offers a high efficiency of up to 95% in power conversion operations.

Q: Can the FAN3852UC16X be used for automotive applications?
A: Yes, the FAN3852UC16X is suitable for automotive power supply applications with its wide input voltage range and high efficiency.


For similar functionalities, consider these alternatives to the FAN3852UC16X:

  • MP2359: A synchronous buck converter IC with comparable features and performance.
  • LM3671: This IC from Texas Instruments offers similar functionality in a different package and size.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Status Active Compliance PbAHP
Package Type WLCSP-6 Case Outline 567TS
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 3000
ON Target Y Function Digital Audio Interface Receiver
Control Type None fs Max (kHz) .
Power Dissipation Max (mW) . Supply Voltage Min (V) .
Supply Voltage Max (V) . Operating Temp Min (°C) .
Operating Temp Max (°C) . Pricing ($/Unit) $0.2293Sample

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    Returns for refund: within 90 days

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