FAN7602 Green Current Mode PWM Controller
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FAN7602MX (pdf) |
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FAN7602N |
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FAN7602 Green Current Mode PWM Controller FAN7602 Green Current Mode PWM Controller November 2006 - Green Current Mode PWM Control - Fixed 65kHz Operation with Frequency Modulation - Internal High-Voltage Start-up Switch - Burst Mode Operation - Line Voltage Feed Forward to Limit Maximum Power - Line Under-Voltage Protection - Latch Protection & Internal Soft-Start 10ms Function - Overload Protection - Over-Voltage Protection - Low Operation Current Typical 1mA - 8-pin DIP/SOP - Adapter - LCD Monitor Power - Auxiliary Power Supply Related Application Notes - AN6014 - Green Current Mode PWM Controller FAN7602 The FAN7602 is a green current mode PWM controller. It is specially designed for off-line adapter application, DVDP, VCR, LCD monitor application, and auxiliary power supplies. The internal high-voltage start-up switch and the burstmode operation reduce the power loss in standby mode. Because of the internal start-up switch and the burst mode, it is possible to supply 0.5W load, limiting the input power to under 1W when the input line voltage is 265VAC. On no-load condition, the input power is under 0.3W. The maximum power can be limited constantly, regardless of the line voltage change, using the power limit function. The switching frequency is internally fixed at 65kHz and the frequency modulation technique reduces EMI. The FAN7602 includes various protections for the system reliability and the internal soft-start prevents the output voltage overshoot at start-up. Ordering Information Part Number FAN7602N FAN7602M FAN7602MX Operating Temp. Range Pb-Free -25°C to +125°C Package 8-DIP 8-SOP Packing Method Rail Tape & Reel Marking Code FAN7602 FAN7602 Green Current Mode PWM Controller Typical Application Diagram FAN7602 Figure Typical Flyback Application Internal Block Diagram Vstr 8 LUVP 1 Latch/ Plimit 2V/1.5V LUVP OLP OVP Latch Auto Restart Protection Latch Protection Reset Circuit 10ms SS End Soft Start 65kHz Clock with Frequency Modulation PWM Block Latch Plimit Offset Generator Plimit Offset Soft-Start SS End 6 VCC 19V 5V Ref UVLO 12V/8V Driver Circuit |
More datasheets: RS1GB-13 | RS1A-13 | RS1B-13 | RS1K-13 | RS1M-13 | RS1J-13 | RS1D-13 | RS1G-13 | RS1BB-13 | FAN7602N |
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