• UC3825N PDIP-16
UC3825N PDIP-16

UC3825N

AC-DC controllers and regulators, ROHS compliant

Inventory:7,231

  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee

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Submit your quote request for UC3825N using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of UC3825N

The UC3825N is a high-performance current mode PWM controller IC commonly used in power supply applications. It provides precise control over the switching of power MOSFETs in DC/DC converters, ensuring efficient power delivery.

Pinout

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

  • COMP: Compensation Pin
  • SS/TR: Soft Start/Tracking Pin
  • RT/CT: Oscillator Timing Components
  • OUT: Gate Drive Output
  • VB: Bootstrap Supply Voltage
  • UVLO: Under Voltage Lockout
  • FB: Feedback Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UC3825N IC for a visual representation.

Key Features

  • Current Mode Control: The UC3825N features current mode control for enhanced circuit stability and transient response.
  • Adjustable Soft Start: Offers the flexibility to adjust soft start timing for proper power sequencing and inrush current control.
  • Precision Oscillator: Includes an accurate oscillator for setting the switching frequency of the power converter.
  • Overcurrent Protection: Provides protection against overcurrent conditions, safeguarding the system components.
  • Wide Operating Voltage Range: Operates efficiently within a wide input voltage range, making it suitable for various power supply designs.

Note: For detailed technical specifications, please refer to the UC3825N datasheet.

Application

  • Switched-Mode Power Supplies: Ideal for use in switch mode power supply designs for industrial, automotive, and consumer electronics applications.
  • DC-DC Converters: Commonly employed in DC-DC converter circuits to regulate voltage levels efficiently.
  • Power Inverters: Suitable for controlling power inverters converting DC to AC power in inverters and UPS systems.

Functionality

The UC3825N is a high-performance PWM controller designed to regulate power delivery in various power supply applications. Its precise control features ensure efficient and reliable operation of power systems.

Usage Guide

  • Compensation: Connect the COMP pin to an external compensation network for stable loop control.
  • Soft Start: Use the SS/TR pin to adjust the soft start time to control start-up behavior and inrush current.
  • Feedback: Connect the FB pin to the output voltage feedback network for regulation purposes.

Frequently Asked Questions

Q: Can the UC3825N operate at high switching frequencies?
A: Yes, the UC3825N can operate at relatively high switching frequencies suitable for power supply applications requiring fast response times.

Q: Is the UC3825N suitable for flyback converter designs?
A: Yes, the UC3825N is commonly used in flyback converter topologies for efficient voltage regulation and power delivery.

Equivalent

For similar functionalities, consider these alternatives to the UC3825N:

  • TL494: A versatile PWM controller offering similar features and performance characteristics to the UC3825N.
  • SG3525: This PWM controller IC provides comparable functionality to the UC3825N and is widely used in power supply applications.

UC3825N

Specifications

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

Topology Boost, Flyback, Forward, Half bridge, Push pull Control mode Current, Feedforward, Voltage
Duty cycle (max) (%) 85 Switching frequency (max) (kHz) 1000
Features Adjustable switching frequency, Current limiting, Error amplifier, Multi-topology, Programmable max duty cycle, Soft start, Synchronization pin UVLO thresholds on/off (V) 9.2/8.4
Operating temperature range (°C) 0 to 70 Rating Catalog
Gate drive (typ) (A) 1.5 Vin (max) (V) 12

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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UC3825N

AC-DC controllers and regulators, ROHS compliant

Inventory:

7,231
Overview of UC3825N Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.

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