LNK3202G-TL

LinkSwitch™-TN2 highly energy efficient off-line switcher IC with integrated system level protection for low component-count power supplies of ICs for non-isolated off-line power supplies provides dramatically improved performance compared to traditional linear or cap-dropper solutions. Designs using the highly integrated LinkSwitch-TN2 ICs are more flexible and feature increased efficiency, comprehensive system level protection and higher reliability. This family supports buck, buck-boost and flyback converter topologies. Each device incorporates power MOSFET, oscillator, on/off control for highest efficiency at light load, high-voltage switched current source for self-biasing, frequency jittering, fast (cycle-by-cycle) current limit, hysteretic thermal shutdown, output and input overvoltage protection circuitry onto a monolithic IC. Applications includes appliances, metering, smart LED drivers, industrial controls, IOT, home and building automation.

• Output current of 63mA (MDCM), 80mA (CCM) at 230VAC ±15% and 63mA (MDCM), 80mA (CCM) at 85-265VAC
• Highest performance and design flexibility EcoSmart™ extremely energy efficient
• Enhanced safety and reliability features, auto-restart for short-circuit and open loop faults
• Output overvoltage protection, line input overvoltage and hysteretic overtemperature protection
• Excellent load and line regulation, 66KHz operation with accurate current limit
• Allows use of low-cost off-the-shelf inductors, reduces size and cost of magnetics/output capacitor
• 725V MOSFET rating for excellent surge withstand, pin-out simplifies PCB heat sinking
• Extended creepage between DRAIN pin and all other pins improves field reliability
• Standby supply current <lt/>100μA, no-load consumption <lt/>30mW with external bias
• On/off control provides constant efficiency over a wide load range

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