• UC3843BVD1R2G SOIC-8
UC3843BVD1R2G SOIC-8

UC3843BVD1R2G

Current Mode Control

Inventory:7,489

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

  • Part Number : UC3843BVD1R2G

  • Package/Case : SOIC-8

  • Brands : Onsemi

  • Components Categories : DC DC Switching Controllers

  • Datesheet : UC3843BVD1R2G DataSheet (PDF)

Quick Inquiry

Please submit RFQ for UC3843BVD1R2G or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of UC3843BVD1R2G

The UC3843BVD1R2G is a PWM controller IC manufactured by ON Semiconductor. It operates in voltage mode control with a fixed frequency oscillator. The device is designed for power supply applications, specifically in offline and DC-DC converters. It features a high-performance voltage feedback loop with a reference accuracy of ±1%. The UC3843BVD1R2G integrates various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and overcurrent protection (OCP), enhancing system reliability. Its adjustable soft-start function prevents large inrush currents during startup, minimizing stress on components. The IC operates over a wide temperature range and is available in a compact SOIC-8 package, facilitating space-constrained designs. With its comprehensive features and compact form factor, the UC3843BVD1R2G is suitable for various power management applications, including offline power supplies, battery chargers, and LED drivers

UC3843BVD1R2G

Key Features

  • The UC3843BVD1R2G is a voltage mode PWM controller IC
  • It features adjustable frequency, voltage feedforward compensation, internal soft start, precision reference, and low startup current
  • With a maximum duty cycle of 50%, it operates from an input voltage range of 7V to 30V, making it suitable for various power supply applications

    • Application

  • The UC3843BVD1R2G is a PWM controller commonly used in power supplies for applications such as LED lighting, battery chargers, and DC-DC converters
  • It regulates voltage by adjusting the duty cycle of a switching transistor, making it suitable for various power management tasks in consumer electronics, industrial equipment, and automotive systems

    • Specifications

    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 SOIC-8 Case Outline 751-07
    MSL Type 1 MSL Temp (°C) 260
    Container Type REEL Container Qty. 2500
    ON Target N Topology Flyback
    Control Mode Current Mode fsw Typ (kHz) 52
    Stand-by Mode No UVLO (V) Yes
    Short Circuit Protection Yes Latch No
    Soft Start Yes VCC Max (V) 30
    Drive Cap. (mA) 200 / 200 Pricing ($/Unit) $0.24

    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, SF, UPS, or DHL.UPS, or DHL.

      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, UnionPay, Western Union, PayPal, and more.

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

    Similar Product

    UC3845BD1R2G

    UC3845BD1R2G

    8-Pin SOIC N T/R
    UC2842BD1R2G

    UC2842BD1R2G

    Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R
    UC3845BD1013TR

    UC3845BD1013TR

    Switching Controllers 0.5mA Current Mode
    UC3844BD1R2G

    UC3844BD1R2G

    Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R
    FAN54063UCX

    FAN54063UCX

    6V Battery Management IC for Lithium-ion/Polymer 1.55A WLCSP-25(2x2.4)
    FAN53610AUC33X

    FAN53610AUC33X

    Ultra-compact 3.3V step-down converter for low voltage applications
    UC3845BVD1R2G

    UC3845BVD1R2G

    Product description: Switching Controllers with 52kHz frequency and 1A current PWM with maximum 48% duty cycle
    FPF2281BUCX-F130

    FPF2281BUCX-F130

    12-pin WLCSP package