1. IC Name: TOP256EN
  2. Package/Case: DIP-7


  • Within India, 3 – 4 days lead time with 100% advance
  • For imports, 15 days lead time with 50% advance

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  • Delivery Charges: Tamil Nadu

₹75 for parcels below 1 Kg and ₹100 for parcels weighing between 1 Kg to 2 Kg.

2-3 Days


  • Delivery Charges: Other South India

₹125 for parcels below 1 Kg and ₹175 for parcels weighing between 1 Kg to 2 Kg.

2-3 Days


  • Delivery Charges: North India

₹250 for parcels below 1 Kg and ₹325 for parcels weighing between 1 Kg to 2 Kg.

2-3 Days


  • Courier delivery

Our courier will deliver to the specified address

2-3 Days

Rs. 99

  • Warranty 1 year
  • Free Returns Policy

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The TOP256EN is an integrated off-line switcher IC (integrated circuit) designed and manufactured by Power Integrations. Here’s an overview of its features and specifications:

  • Type: Integrated Off-line Switcher IC
  • Functionality: The TOP256EN is a monolithic high-voltage integrated circuit designed for off-line power supplies. It integrates a power MOSFET, PWM controller, frequency jittering, and other control circuitry onto a single chip.
  • Power Output: Capable of delivering power levels suitable for a wide range of applications, including low-power applications like battery chargers to higher-power applications like LED drivers.
  • Protection Features: Incorporates various protection features such as over-temperature protection, overvoltage protection, overcurrent protection, and auto-restart for fault recovery, ensuring safe and reliable operation.
  • Efficiency: Designed for high efficiency to minimize power losses and improve energy efficiency in power supply designs.
  • Package: It’s commonly available in industry-standard packages, such as TO-220, TO-220-5L, and TO-263, depending on the specific variant.
  • Temperature Range: It typically operates across a wide temperature range, often from -40°C to 125°C or beyond, ensuring reliable performance in various environmental conditions.

The TOP256EN is commonly used in various power supply applications, including AC/DC power supplies, LED drivers, auxiliary power supplies, and industrial power systems. Its integration of key power components onto a single chip, along with its protection features and high efficiency, makes it a popular choice among designers for building reliable and efficient power supplies


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