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Offline power converter demo board using Viper16

STEVAL-ISA118V1

Overview

The STEVAL-ISA118V1 is an offline power converter in flyback topology with jittered fixed frequency. The board uses the VIPer16, allowing the application to handle up to approximately 6 W over a wide input voltage range, and up to about 10 W in the European single input voltage range.

The VIPer16 can operate with or without an auxiliary winding; both options are implemented on the board. When operating with the auxiliary winding, it can achieve very low standby consumption. Available protection features include thermal shutdown with hysteresis, delayed overload and open-loop failure protection.

Main features

Offline converter for wide range input voltage
Output power: up 6 W
No need for auxiliary winding (selectable option)
30 mW standby consumption (with auxiliary winding)
High efficiency tested in accordance with the ENERGY STAR^®active mode method
EMI test pre-compliant to EN55022 Class B
RoHS compliant

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-25 21:46:36

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