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Description
Lowest Component Count, Energy Efficient Off-Line Switcher IC
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LinkSwitch-TN is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360 mA output current range at equal system cost while offering much higher performance and energy efficiency. LinkSwitch-TN devices integrate a 700 V power MOSFET, oscillator, simple On/Off control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit and thermal shutdown circuitry onto a monolithic IC. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters. The fully integrated auto-restart circuit in the LNK304-306 safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost. A local supply provided by the IC allows use of a nonsafety graded optocoupler acting as a level shifter to further enhance line and load regulation performance in buck and buck-boost converters, if required.
· MDCM2: 225 mA
· 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 EcoSmart?– 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 flyback topology with external bias at 115/230 VAC input with no-load
· Meets California Energy Commission (CEC), Energy Star, and EU requirements
Preview of the first 3 pages of the data sheet
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241 buyer reviews from United Kingdom
Lauren Hughes
Length of registration:7 years
I recently purchased the LNK306GN-TL electronic component from Utsource and I am very pleased with the product. It is of excellent quality and performs exactly as advertised. I would highly recommend Utsource to anyone looking for reliable electronic components.
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03/17/2023
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All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
LNK306GN
LNK306GN has several brands around the world that may have alternate names for LNK306GN due to regional differences or acquisition. LNK306GN may also be known as the following names:
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Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company
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