LNK304PN Datasheet

AC/DC Switching Converters


LINK304PN is specifi cally 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 effi ciency. LNK304PN Features • 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 simplifi ed 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 fi lter cost• High thermal shutdown temperature (+135 °C minimum) LNK304PN Applications • Appliances and timers• LED drivers and industrial controls


[{"Name":"Output Voltage ","Value":"12 V "},{"Name":"Input / Supply Voltage (Max)","Value":"265 VAC "},{"Name":"Input / Supply Voltage (Min)","Value":"85 VAC "},{"Name":"Supply Current","Value":"200 uA "},{"Name":"Operating Temperature Range","Value":"- 40 C to + 150 C "},{"Name":"Number of Outputs","Value":"1 "},{"Name":"Output Current","Value":"170 mA "},{"Name":"Switching Frequency","Value":"66 kHz "},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.

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