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  • L6565 IC - (SMD Package) - Quasi-Resonant SMPS Controller IC
The L6565 is a current-mode primary controller IC, specifically designed to build offline Quasi-resonant ZVS (Zero Voltage Switching at switch turn-on) flyback converters. Quasi-resonant operation is achieved by means of a transformer demagnetization sensing input that triggers MOSFET's turn-on.

Converter's power capability variations with the mains voltage are compensated by line voltage feedforward. At light load the device features a special function that automatically lowers the operating frequency still maintaining the operation as close to ZVS as possible. In addition to very low start-up and quiescent currents, this
feature helps keep low the consumption from the mains at light load and be Blue Angel and Energy Star compliant.

The IC includes also a disable function, an on-chip filter on current sense, an error amplifier with a precise reference voltage for primary regulation and an effective two-level overcurrent protection.

Features of L6565 IC:-
  • QUASI-RESONANT (QR) ZERO-VOLTAGESWITCHING (ZVS) TOPOLOGY
  • LINE FEED FORWARD TO DELIVER CONSTANT POWER vs. MAINS CHANGE
  • FREQUENCY FOLDBACK FOR OPTIMUM STANDBY EFFICIENCY
  • PULSE-BY-PULSE & HICCUP-MODE OCP
  • ULTRA-LOW START-UP (< 70µA) AND QUIESCENT CURRENT (< 3.5mA)
  • DISABLE FUNCTION (ON/OFF CONTROL)
  • 1% PRECISION (@ Tj = 25°C) INTERNAL REFERENCE VOLTAGE
  • ±400mA TOTEM POLE GATE DRIVER WITH UVLO PULL-DOWN
  • BLUE ANGEL, ENERGY STAR, ENERGY 2000 COMPLIANT

Applications of L6565 IC:-
  • TV/MONITOR SMPS
  • AC-DC ADAPTERS/CHARGERS
  • DIGITAL CONSUMER
  • PRINTERS, FAX MACHINES, PHOTOCOPIERS AND SCANNERS

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 96.76 (Inclusive of all Taxes)
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* Product Images are shown for illustrative purposes only and may differ from actual product.

L6565 IC - (SMD Package) - Quasi-Resonant SMPS Controller IC

  • Product Code: EC-2866
  • Availability: 206
  • Rs.76.00
  • (Excluding 18% GST)

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