TEA1721 Isolated 3-Phase Universal Mains Flyback Converter Demo Board

TEA1721ADB1062
製造中止

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The demo board is designed as an isolated 24 V, 5 V and 3.3 V AC/DC SMPS for supplying up to 5 W 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 50 kHz. Overcurrent and short-circuit protection are built in. The power consumption is below 50 mW under no-load conditions.

EMI filtering and surge protection using TVS diodes is implemented in this circuit. This application is intended as a 3-phase low-power SMPS which is especially suited for 3-phase industrial and multi-phase e-metering SMPS applications.

製品詳細

対応製品

パワーマネージメント

電源スイッチ内蔵AC-DCコントローラ

  • TEA1721BT: HV Start-up Flyback Controller with Integrated MOSFET for 5 W Applications, F~Burst = 905 Hz
  • TEA1721DT: HV Start-up Flyback Controller with Integrated MOSFET for 5 W Applications, F~Burst = 1270 Hz
  • TEA1721FT: HV Start-up Flyback Controller with Integrated MOSFET for 5 W Applications, F~Burst = 1750 Hz
  • TEA1723AT: HV Start-up Flyback Controller with Integrated MOSFET for 11 W Applications, F~Burst = 430 Hz
  • TEA1723BT: HV Start-up Flyback Controller with Integrated MOSFET for 11 W Applications, F~Burst = 905 Hz
  • TEA1723DT: HV Start-up Flyback Controller with Integrated MOSFET for 11 W Applications, F~Burst = 1270 Hz
  • TEA1723FT: HV Start-up Flyback Controller with Integrated MOSFET for 11 W Applications, F~Burst = 1750 Hz
  • TEA1721AT: HV Start-Up Flyback Controller with Integrated MOSFET for 5 W Applications, F~burst = 430 Hz

Features

Power Management

  • AC line input voltage: 85 V (AC) to 560 V (AC) singe-phase
  • AC line input voltage: 50 V (AC) to 320 V (AC) 2-phase or 3-phase
  • Output voltage: 24 V (DC), 5 V (DC), and 3.3 V (DC)
  • Maximum output current: 24 V = 200 mA / 5 V = 300 mA / 3.3 V = 300 mA
  • Maximum output power: 5 W
  • Output voltage accuracy: +/-5 %
  • Output voltage stability: +/-5 %
  • Efficiency: 76.7 % at 115 V/60 Hz / 79.6 % at 230 V/50 Hz

IC used

  • TEA1721AT

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TEA1721ADB1062-Image

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TEA1721ADB1062
製造中止

TEA1721 Isolated 3-phase universal mains flyback converter demo board.

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