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.
 

1.Pin Diagram:




2.Absolute Maximum Ratings:



3.Electrical Characteristics (Tj = -25 to 125°C, VCC = 12V, Co = 1nF; unless otherwise specified):

• 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

• TV/MONITOR SMPS
• AC-DC ADAPTERS/CHARGERS
• DIGITAL CONSUMER
• PRINTERS, FAX MACHINES,PHOTOCOPIERS AND SCANNERS
 

why choose us :
advantage:
1.Produce Range
Yangjiang RUIXIAO Enterprise Co,.Ltd,major in the electronic component , who have wide range of products,
such as IC,resistor , capacitor , mosfet , diodes, module , LED, relay, lcd. pcb board . and so.  the brand involves:SHARP, POWER, , NXP, NS, ON, ST , IR, VISHAY , TOSHIBA, FAIRCHILD,MICROCHIP, ATMEL,EVERYLIGHT all the kinds  of electronic component you need will be find in  here.

2.Production workshop

3.Scope of application
the product  is widely used in Automotive industry control,new energy industry,Audio,Home appliances equipment,Communication industry.it can  meet the diverse needs of customers

4.service:
with the  "User first, customer first" Company motto, quality assurance ,  economic price , fast Delivery time is our only faith. we will try our best to make every customer to enjoy the  the most flexible,efficient  services.We sincere hope that we can seek the common development and cooperation with  the customer together to achieve a win-win situation.

 

5.Logistics:
we can send the goods to the customer's country directly by the international logistics.  no matter send by air or by sea. 
we will try our best to let the customer to get the parcel more convenient .
(noted:Not bear  any fee and tax of the transportation cost.)