LNK304 Energy Efficient Off Line Switcher IC's
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৳55
/Pcs
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Cost Effective Linear/Cap Dropper Replacement:
- • Lowest cost and component count buck converter solution
- • Fully integrated auto-restart for short-circuit and open loop fault protection – saves external component costs
- • LNK302 uses a simplified controller without auto-restart for very low system cost
- • 66 kHz operation with accurate current limit – allows low cost off-the-shelf 1 mH inductor for up to 120 mA output current
- • Tight tolerances and negligible temperature variation
- • High breakdown voltage of 700 V provides excellent input surge withstand
- • Frequency jittering dramatically reduces EMI (~10 dB)
- • Minimizes EMI filter cost
- • High thermal shutdown temperature (+135 °C minimum)
Much Higher Performance Over Discrete Buck and Passive Solutions:
- • Supports buck, buck-boost and flyback topologies
- • System level thermal overload, output short-circuit and open control loop protection
- • Excellent line and load regulation even with typical configuration
- • High bandwidth provides fast turn-on with no overshoot
- • Current limit operation rejects line ripple
- • Universal input voltage range (85 VAC to 265 VAC)
- • Built-in current limit and hysteretic thermal protection
- • Higher efficiency than passive solutions
- • Higher power factor than capacitor-fed solutions
- • Entirely manufacturable in SMD
Eco Smart™– Extremely Energy Efficient
- • Consumes typically only 50/80 mW in self-powered buck topology at 115/230 VAC input with no-load (Opto feedback)
- • Consumes typically only 7/12 mW in fly back topology with external bias at 115/230 VAC input with no-load
- • Meets California Energy Commission (CEC), Energy Star, and EU requirements
Applications:
- • Appliances and timers
- • LED drivers and industrial controls
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