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NCP4354B - Secondary Side SMPS OFF Mode Controller

Download the NCP4354B datasheet PDF. This datasheet also covers the NCP4353 variant, as both devices belong to the same secondary side smps off mode controller family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (NCP4353-ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP4354B
Manufacturer onsemi
File Size 269.85 KB
Description Secondary Side SMPS OFF Mode Controller
Datasheet download datasheet NCP4354B Datasheet

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Other Datasheets by onsemi

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NCP4354 Secondary Side SMPS OFF Mode Controller
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NCP4353 Secondary Side SMPS OFF Mode Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NCP4353, NCP4354 Secondary Side SMPS OFF Mode Controller for Low Standby Power The NCP4353/4 is a secondary side SMPS controller designed for use in applications which require extremely low no load power consumption. The device is capable of detecting “no load” conditions and entering the power supply into a low consumption OFF mode. During OFF mode, the primary side controller is turned off and energy is provided by the output capacitors thus eliminating the power consumption required to maintain regulation. During OFF mode, the output voltage relaxes and is allowed to decrease to an adjustable level. Once more energy is required, the NCP4353/4 automatically restarts the primary side controller.
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