TEA1721 Non-isolated buck/boost converter demo board

TEA1721ADB1060

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This board demonstrates a +12 V AC/DC buck and −12 V AC/DC non-isolated buck/boost-mode SMPS that can be used to supply up to 2.5 W into a load. Operation in buck or buck/boost-mode can be selected with the on-board jumper.

The switch mode converter operates at a maximum frequency of around 50 kHz.

Overcurrent and short-circuit protection are built in. Under no-load conditions, the power consumption of this converter is in the range of 10 mW. EMI filtering and (optional) surge voltage protection using TVS diodes is implemented in this circuit.

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带集成电源开关的AC-DC控制器

  • TEA1721BT: 适用于5 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 905 Hz
  • TEA1721DT: 适用于5 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 1270 Hz
  • TEA1721FT: 适用于5 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 1750 Hz
  • TEA1723AT: 适用于11 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 430 Hz
  • TEA1723BT: 适用于11 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 905 Hz
  • TEA1723DT: 适用于11 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 1270 Hz
  • TEA1723FT: 适用于11 W应用、集成功率MOSFET通过高压启动的反激控制器，f~burst = 1750 Hz

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