DC/DC Converter

Shutdown Function

Shutdown Function

The step-up DC/DC converter outputs the supply voltage from inductor through diode at standby mode because the circuit is connected. When the OLED is connected to the output, because the voltage is always applied to the OLED, it may have an impact to the life of OLED. In addition, when the input voltage close to the Vf voltage of white LED, the problem may occurs that the white LED doesn't off.

Shutdown Function

The R1200x Series has an internal NPN transistor in place of a diode. At standby mode, the NPN transistor turns off and can separate the output from the input. So These problems are solved.

Products Containing Shutdown Function
  • *) with external P-channel MOSFET

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