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NCP4353A - Secondary Side SMPS OFF Mode Controller

Download the NCP4353A datasheet PDF (NCP4353 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for secondary side smps off mode controller.

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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 NCP4353A
Manufacturer onsemi
File Size 269.85 KB
Description Secondary Side SMPS OFF Mode Controller
Datasheet download datasheet NCP4353A Datasheet

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Full PDF Text Transcription

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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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