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STOD03ASTPUR 数据表(PDF) 1 Page - STMicroelectronics |
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STOD03ASTPUR 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 25 page  This is information on a product in full production. July 2013 DocID022614 Rev 2 1/25 STOD03AS Dual DC-DC converter for powering AMOLED displays Datasheet - production data Features • Step-up and inverter converters • Operating input voltage range from 2.5 V to 4.5 V • Synchronous rectification for both DC-DC converters • Minimum 200 mA output current • 4.6 V fixed positive output voltage • Programmable negative voltage by SWIRE from -2.4 V to -5.4 V at 100 mV steps • Typical efficiency: 85% • Pulse skipping mode in light load condition • 1.5 MHz PWM mode control switching frequency • Enable pin for shutdown mode • Low quiescent current in shutdown mode • Soft-start with inrush current protection • Overtemperature protection • Temperature range: -40 °C to 85 °C • True-shutdown mode • Fast discharge outputs of the circuits after shutdown • Short-circuit protection • Package DFN12L (3 x 3 mm) 0.6 mm height Applications • Active matrix AMOLED power supply • Cellular phones • Camcorders and digital still cameras • Multimedia players Description The STOD03AS is a dual DC-DC converter with short-circuit protection for AMOLED display panels. It integrates a step-up and an inverting DC-DC converter making it particularly suitable for battery operated products, in which the major concern is overall system efficiency. It works in pulse skipping mode during light load conditions and PWM-MODE at 1.5 MHz frequency for medium/high load conditions. The high frequency allows the value and size of external components to be reduced. The Enable pin allows the device to be turned off, therefore reducing the current consumption to less than 1 µA. The negative output voltage can be programmed by an MCU through a dedicated pin which implements single- wire protocol. Soft-start with controlled inrush current limit and thermal shutdown are integrated functions of the device. DFN12L (3 x 3 mm) Table 1. Device summary Order code Positive voltage Negative voltage Package Packaging STOD03ASTPUR 4.6V -2.4V to -5.4V DFN12L (3 x 3 mm) 3000 parts per reel www.st.com |
类似零件编号 - STOD03ASTPUR |
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类似说明 - STOD03ASTPUR |
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