TEA1721ADB1062,598

电源管理IC开发工具 TEA1721 Isolated 3-phase universal mains flyback converter demo board

demo board is designed as an isolated 24V, 5V and 3.3V AC/DC SMPS for supplying up to 5W to a load. On the input side, single phase, 2 phase or 3 phase universal mains power can be connected. The switch mode converter operates in flyback mode at a maximum frequency of around 50KHz. Overcurrent and short circuit protection are built in. The power consumption is below 50mW under no load conditions. EMI filtering and surge protection using TVS diodes is implemented in this circuit. The TEA1721 is a small and low cost module Switched Mode Power Supply SMPS controller IC for low power applications up to 5W and operates directly from the rectified universal mains input.

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TEA1721AT IC used on the board

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AC line input voltage of 85V AC to 560V AC singe phase

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AC line input voltage of 50V AC to 320V AC 2 phase or 3 phase

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Output voltage of 24V DC, 5V DC and 3.3V DC

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Maximum output current 200mA at 24V / 300mA at 5V / 300mA at 3.3V

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Maximum output power of 5W

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Output voltage accuracy of 5%

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Output voltage stability of 5%

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Efficiency of 76.7% at 115V/60Hz / 79.6% at 230V/50Hz

The demo board is powered by AC mains voltage. Avoid touching the board when power is applied. An isolated housing is obligatory when used in uncontrolled, non laboratory environments.