X-On Electronics has gained recognition as a prominent supplier of FAN7601N AC/DC Converters across the USA, India, Europe, Australia, and various other global locations. FAN7601N AC/DC Converters are a product manufactured by ON Semiconductor. We provide cost-effective solutions for AC/DC Converters, ensuring timely deliveries around the world.
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www.fairchildsemi.com FAN7601 Green Current Mode PWM Controller Features Description Green Current Mode PWM Control The FAN7601 is a green programmable frequency current Low Operating Current: Max 4mA mode PWM controller. It is specially designed for the Burst Mode Operation off-line adapter application and the auxiliary power supplies Internal High Voltage Start-up Switch which require high efficiency at a light load and no load. Under Voltage Lockout (UVLO): 12V/8V The internal high voltage start-up switch and the burst mode Latch Protection & Soft Start Function reduce the power loss. The FAN7601 includes some Over Voltage Protection: 19V protections such as latch protection and over voltage Operating Frequency up to 300kHz protection. The latch protection can be used for over voltage Max Duty Cycle: 95% protection and/or thermal protection and so on. And the soft start prevents the output voltage over shoot at start up. Typical Applications 10-SSOP 8-SOP 8-DIP Off-Line Adapter Applications Auxiliary Power Supplies 1 1 1 Internal Block Diagram Vref (10) Vstr (1) 8 1 Vcc 7 (8) OVP Enable + Start-up 5V Ref 19V Circuit Rt/Ct 4 OSC (5) UVLO + Vref 12V/8V 12uA S Q OUT Latch/SS R 6 1.5V (7) 3 (4) OVP + S Q R + Delay Circuit 2.5V CS/FB Reset 2 + (3) Circuit 0.97V/0.9V Start-up 1V Circuit + Latch/SS GND 5 (6) 1V * ( ) is 10-SSOP PIN Number Rev. 1.0.2 2005 Fairchild Semiconductor CorporationFAN7601 Pin Assignments 8-DIP, 8-SOP 10-SSOP Vref Vcc Out GND Vref NC Vcc Out GND 8 7 6 5 10 9 8 7 6 FAN7601 7601 YWW YWW 1 2 3 4 5 1 2 3 4 Vstr NC CS/FB Latch/SS Rt/Ct Vstr CS/FB Latch/SS Rt/Ct Pin Definitions Pin Number Pin Name Pin Function Description 1 (1) Vstr Start-up 2 (3) CS/FB Current Sense and Feedback 3 (4) Latch/SS Latch Protection and Soft Start 4 (5) Rt/Ct Oscillator Timing 5 (6) GND Ground 6 (7) Out Gate Drive Output 7 (8) V IC Power Supply CC 8 (10) V Voltage Reference ref *( ) is 10-SSOP PIN Number 2