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LNK562D

Power Integrations
Part Number LNK562D
Manufacturer Power Integrations
Description Energy Efficient Off-Line Switcher
Published Dec 25, 2021
Detailed Description LNK562-564 LinkSwitch®-LP Energy Efficient Off-Line Switcher IC for Linear Transformer Replacement Product Highlights Lo...
Datasheet PDF File LNK562D PDF File

LNK562D
LNK562D

Overview
LNK562-564 LinkSwitch®-LP Energy Efficient Off-Line Switcher IC for Linear Transformer Replacement Product Highlights Lowest System Cost and Advanced Safety Features • Lowest component count switcher • Very tight parameter tolerances using proprietary IC trimming technology and transformer construction techniques enable Clampless™designs – decreases component count/system cost and increases efficiency • Meets industry standard requirements for thermal overload protection – eliminates the thermal fuse used with linear transformers or additional components in RCC designs • Frequency jittering greatly reduces EMI – enables low cost input filter configuration • Meets HV creepage requirements between DRAIN and all other pins, both on the PCB and at the package • Proprietary E-Shield™ transformer eliminates Y-capacitor Superior Performance over Linear and RCC • Hysteretic thermal shutdown protection – automatic recovery improves field reliability • Universal input range allows worldwide operation • Auto-restart reduces delivered power by >85% during short circuit and open loop fault conditions • Simple ON/OFF control, no loop compensation needed • High bandwidth provides fast turn on with no overshoot and excellent transient load response EcoSmart®– Energy Efficiency Technology • Easily meets all global energy efficiency regulations with no added components • No-load consumption <150 mW at 265 VAC input • ON/OFF control provides constant efficiency to very light loads – ideal for mandatory CEC regulations Applications • Chargers for cell/cordless phones, PDAs, power tools, MP3/portable audio devices, shavers etc.
• Standby and auxiliary supplies Description LinkSwitch-LP switcher ICs cost effectively replace all unregulated isolated linear transformer based (50/60 Hz) power supplies up to 3 W output power.
For worldwide operation, a single universal input design replaces multiple linear transformer based designs.
The self-biased circuit achieves an extremely low no-load consumpt...


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