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STOD1812 - Power supply

Description

STOD1812 is a step-up converter designed to power passive matrix OLED (PMOLED) displays, providing the pre-charge and biasing voltage of the column matrix driver.

STOD1812 uses a pulsed frequency modulation (PFM) control mode technique.

Features

  • Synchronous step-up converter.
  • Input voltage range from 2.5 V to 5.5 V.
  • Maximum output current 120 mA.
  • Efficiency: 75 % at IO = 10 mA - 30 mA; 85 % at IO = 30 mA - 120 mA.
  • Switching at 1.2 MHz in typical.

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Full PDF Text Transcription

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STOD1812 Power supply for PMOLED display panel Features ■ Synchronous step-up converter ■ Input voltage range from 2.5 V to 5.5 V ■ Maximum output current 120 mA ■ Efficiency: 75 % at IO = 10 mA - 30 mA; 85 % at IO = 30 mA - 120 mA ■ Switching at 1.2 MHz in typical application conditions ■ Enable pin for shutdown mode ■ True load disconnect ■ Soft-start to limit inrush current ■ UVLO protection ■ Adjustable output voltage up to 20 V ■ Low quiescent current: < 1 µA in shutdown mode ■ Over-temperature protection ■ Package: DFN10L 3x3 mm, 0.
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