L6565 PDF datasheet can download.
This product has QUASI-RESONANT SMPS CONTROLLER functions.
This is one of the semiconductor types. This part name is L6565.
Manufacturers of the product is STMicroelectronics.
Image and pinout :
Some of the text files within the PDF file
L6565 QUASI-RESONANT SMPS CONTROLLER QUASI-RESONANT (QR) ZERO-VOLTAGESWITCHING (ZVS) TOPOLOGY s LINE FEED FORWARD TO DELIVER CONSTANT POWER vs. MAINS CHANGE s FREQUENCY FOLDBACK FOR OPTIMUM STANDBY EFFICIENCY s PULSE-BY-PULSE & HICCUP-MODE OCP s ULTRA-LOW START-UP (< 70µA) AND QUIESCENT CURRENT (< 3.5mA) s DISABLE FUNCTION (ON/OFF CONTROL) s 1% PRECISION (@ T j = 25°C) INTERNAL REFERENCE VOLTAGE s ±400mA TOTEM POLE GATE DRIVER WITH UVLO PULL-DOWN s BLUE ANGEL, ENERGY STAR, ENERGY 2000 COMPLIANT APPLICATIONS s TV/MONITOR SMPS s AC-DC ADAPTERS/CHARGERS s DIGITAL CONSUMER s PRINTERS, FAX MACHINES, PHOTOCOPIERS AND SCANNERS s DIP8(Minidip) SO-8 ORDERING NUMBERS: L6565N L6565D DESCRIPTION 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. BL [ ... ]
Please refer to the file for details.