HIGH EFFICIENCY HIGH VOLTAGE FLYBACK By EASII-IC, X-REL Semiconductor
This application note describes how to design and use a high voltage Flyback with the XTR30014, XTR20411, 2K1208, 1K1210, XTR431 and XTR1N0850. This covers. This application note describes how the schematic has been built and the measurement result.
■INTRODUCTION
●This document is application to show a flyback architecture that could be used for high voltage (up to 600V), high out power (<30W) and high temperature (max 175°C).
●This application note describes the design of a Flyback power supply able to work in extreme temperature environment. It is designed to accommodate the requirements for markets needed wide range of input voltage and high temperature environment.
●These devices are designed to achieve fast transient response, high efficiency, very good thermal performance, and high output voltage accuracy. Its main purpose is to convert a DC Input voltage to DC regulated output voltage. The power supply provides input and output protections. The rest of the network is isolates from the output. This power supply limits the transient input voltage and protects against inrush current at plug in. The secondary side is regulated at 24V in this version. The controller, the PWM XRT30014 from easii-ic, is able to switch up to 1000 kHz and stay the heart of the power supply.
●An evaluation board could be available.
■MAIN FEATURES
●Input: VIN (DC) = 30V to 600V
●Output: IOUT = 1.25A; 30W; 24V
●Large range of ambient Temperature Range: TEMP = -60 to 175°C
●Standard flyback architecture
●Output regulated voltage easy to adapt
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XTR30014 、 XTR20411 、 2K1208 、 1K1210 、 XTR431 、 XTR1N0850 、 XTR201411 |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2019-07-25 |
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rev1A |
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AN-00987-19 |
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2.8 MB |
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