Boost converter for the bias voltage of small size OLED and LCD displays

The AP5727 is a high efficiency PWM boost DC/DC converters (integrated switch) designed to generate bias voltages for small OLED and TFT-LCD display screens.
The device can generate up to 30V from a Li-Ion cell.
AP5727 switches at 1.2MHz allowing use of tiny external components.
Internal compensation, built-in soft-start and integrated switch reduce the component count, PCB area and cost.
The AP5727 has a 1.25V feedback voltage and is available in SOT23-5, making it compatible with industry standard boost converter used for bias voltage generation.

Diodes Advantage
◾ High Efficiency: 84% Typical
   Longer battery life
◾ Fast 1.2MHz Switching Frequency
   Smaller inductor and capacitor size
◾ Current limit and UVLO protections
   Extra protection for safe operation
◾ Built-in Soft-Start function
   Extra protection for safe operation – reduces inrush current at start up
◾ Thermal shutdown
   Extra protection for safe operation

APPLICATIONs
◾ Small size TFT-LCD Bias power supply
◾ OLED bias supply for clamshell mobile phone sub- display
◾ RF amplifier bias voltage