L6565D Datasheet

Current Mode PWM Controllers


The L6565D 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 MOSFETs turn-on. L6565D Features &bull; Quasi-resonant (qr) Zero-voltageswitching (zvs) Topology&bull; Line Feed Forward To Deliver constant Power Vs. Mains Change&bull; Frequency Foldback For Optimum standby Efficiency&bull; Pulse-by-pulse & Hiccup-mode Ocp&bull; Ultra-low Start-up (< 70&micro;a) And quiescent Current (< 3.5ma)&bull; Disable Function (on/off Control)&bull; 1% Precision (@ Tj = 25&deg;c) Internal reference Voltage&bull; &plusmn;400ma Totem Pole Gate Driver With uvlo Pull-down&bull; Blue Angel, Energy Star, Energy 2000 Compliant applications&bull; Tv/monitor Smps&bull; Ac-dc Adapters/chargers&bull; Digital Consumer&bull; Printers, Fax Machines, photocopiers And Scanners


[{"Name":"Rise Time","Value":"40 ns"},{"Name":"Fall Time","Value":"40 ns"},{"Name":"Operating Supply Voltage","Value":"10.3 V to 18 V"},{"Name":"Operating Supply Current","Value":"2.3 A"},{"Name":"Maximum Operating Temperature","Value":"+ 150 C"},{"Name":"Minimum Operating Temperature","Value":"- 40 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

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