low power design

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Dear Sir
I am using this LNk625PG Based design but output voltage is not coming 5V. This is coming 15V and current 10ma . please help me.what is the Problem

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5v1a.pdf114.87 KB

Hello,

Thanks for choosing Power Integrations.

For a 5V ,1A application of LNK625PG , you can base your design on DER 669:
https://ac-dc.power.com/sites/default/files/product_document/design_example/der-669_5watt_5volt_1amp_85-265vac_linkswitch-cv_adapter.pdf

Have you tried modifying your transformer similar with the design above?

Thanks