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PSRB05 - LOW POWER OFF-LINE CC/CV PRIMARY-SIDE POWER SWITCH

Description

The UTC PSRB05 is a primary control switch mode charger and adapter applications.

Built-in VCBO for 800V power BJT.

The UTC PSRB05 operates in primary-side sensing and regulation.

Features

  • S.
  • Built-in 800V Power BJT.
  • High precision constant current regulation at universal AC input.
  • Primary side control without TL431 and opto-coupler.
  • Programmable cable compensation in CV mode.
  • Programmable line voltage compensation.
  • ≤75mW standby power consumption.
  • Frequency hopping to reduce system EMI.
  • Built-in leading edge blanking.
  • Open circuit protection.
  • Over voltage protection.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD PSRB05 Advance LOW POWER OFF-LINE CC/CV PRIMARY-SIDE POWER SWITCH CMOS IC  DESCRIPTION The UTC PSRB05 is a primary control switch mode charger and adapter applications. Built-in VCBO for 800V power BJT. The UTC PSRB05 operates in primary-side sensing and regulation. Opto-coupler and TL431 could be eliminated. It can achieve good CC/CV characteristics and less than 75mW standby power can be achieved. The UTC PSRB05 achieves high precision CV/CC regulation and high power efficiency. It offers comprehensive protection coverage with auto-recovery features including cycle-by-cycle current limiting, open circuit protection, over voltage protection, short circuit protection etc.
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