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STOD2540 - PMOLED display power supply

General Description

STOD2540 is dedicated to Passive Matrix OLED (PMOLED) displays for portable handsets and provides the pre-charge and biasing voltage of the column matrix driver as shown in Figure 3.

The current capability of STOD2540 allows feeding a 1", 1.3" or 1.5" color PMOLED.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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STOD2540 PMOLED display power supply Feature summary ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Inductor switcher boost controller. PFM mode control. High efficiency over wide range of load (1mA to 40mA). Integrated Load disconnect switch. Over voltage protection with automatic restart Soft start with adjustable peak current limit Enable pin Low shutdown current. Small external inductor. Supply voltage from 3.0V to 5.5V STOD2540 is a boost converter that operates from 3.0V to 5.5V and can provide an output voltage as high as 25V. The output current capability is maximum 40mA up to 25V output voltage. The regulation is performed by a resistor divider network (Figure 3.) that detects the output voltage. In this state-of-the-art boost converter, a DC current path exists between the battery source and the load.