TEA1721 Universal Mains White Goods Flyback SMPS Demo Board

TEA1721BDB1065
製造中止

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This reference design demonstrates the TEA1721 as a -12 V and -3.3 V AC/DC SMPS converter that can provide 5 W into a load. The switch-mode converter operates in flyback mode at a maximum frequency of around 50 kHz. Over-current and short circuit protection are built in. Under no-load conditions, the power consumption of the flyback converter is around 20 mW. This application is typically suited for White Goods appliances and industrial 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

  • TEA1721AT: HV Start-Up Flyback Controller with Integrated MOSFET for 5 W Applications, F~burst = 430 Hz
  • 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

Features

Connectivity

  • Compatible with Universal Mains: 85 V (AC) to 265 V (AC)

Power Management

  • Dual output voltage: -12 V (DC) and -3.3 V (DC)
  • Maximum output current: -12 V = -400 mA; -3.3 V = -400 mA
  • Primary side voltage regulation removes the need for an optocoupler
  • Output voltage accuracy: -12 V = +5 % to -5 %
  • Output voltage regulation and stability: -12 V = ± 1 % (in load range 5 % to 100 %)
  • Total maximum power: 5 W
  • No-load power consumption: 20 mW
  • Efficiency: ±80 %

Size

  • Board dimensions: 34.3 mm x 34.3 mm x 21 mm (L x W x H)

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TEA1721BDB1065
製造中止

TEA1721 universal mains white goods flyback SMPS demo board.

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