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15V, 0.15A buck converter with built-in VIPer0P offline high voltage converter

STEVAL-ISA179V1

Overview

The STEVAL-ISA179V1 evaluation board implements a wide mains range buck converter (15 V / 0.15 A), developed for general purpose applications.

The core of the application is the new VIPer0P off-line high voltage converter of the VIPerPlus family, featuring the Zero Power characteristic.
The device is a high-voltage converter that intelligently integrates an 800 V rugged power MOSFET with PWM current-mode control.
The evaluation board features a single layer design, small size, minimal BOM, high efficiency and low standby consumption.

Main features

Universal AC main input voltage range: 85 V_AC to 265 V_AC
Output range: 15 V / 0.15 A
Rated output power: 2.25 W
Input power in standby @230 V_AC: less than 40 mW
Active mode efficiency: greater than 77%
EMI: EN55022-Class-B compliant
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:2025-05-03 13:35:35

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