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DER-971 - 0.25 W non-isolated power supply using LinkSwitch-TNZ, without electrolytic capacitors

DER-971 - 0.25 W Non-Isolated Power Supply Without Electrolytic Capacitors Using LinkSwitch-TNZ

Overview

0.25 W non-isolated power supply using LinkSwitch-TNZ (LNK3302D) for home and building automation Electrolytic capacitor-free low voltage line input: 90 - 132 VAC Output: 5V, 50mA Audible noise less than 25 dB Integrated 725 V power MOSFET current sensing and protection Standby input current less than 120 µA on AC line Zero-crossing signal output synchronized with AC line 0.25 W non-isolated power supply for home and building automation using LinkSwitch-TNZ (LNK3302D)No electrolytic capacitorsLow-line input: 90 - 132 VACOutput: 5 V , 50 mALower than 25 dB audible noiseIntegrated 725 V power MOSFETCurrent sensing and protectionLower than 120 µA standby input current across AC lineZero-crossing signal output synchronized to AC line

Blockdiagram

Design Files

Related Devices

Devices	Class	introduce	Datasheet
LinkSwitch-TNZ		Energy Efficient Off-line Switcher IC with Best-in-Class Light Load Efficiency and Lossless AC Zero-Cross Detection	Download

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Update:2024-11-14 04:34:03

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