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STOD14 Datasheet(PDF) 1 Page - STMicroelectronics |
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STOD14 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 22 page  This is information on a product in full production. August 2012 Doc ID 023562 Rev 1 1/22 22 STOD14 700 mA dual DC-DC converter for powering AMOLED displays Datasheet — production data Features ■ Step-down and inverter converters ■ Operating input voltage range from 6 V to 13 V ■ Synchronous rectification for both converters ■ 700 mA output current ■ Fixed positive voltage 4.6 V ■ Programmable negative voltage by SWIRE from - 2.4 V to - 6.0 V ■ Typical efficiency 85% ■ PWM mode controller @ 1.6 MHz switching frequency ■ Enable pin for shutdown mode ■ Low quiescent current in shutdown mode ■ Soft-start with inrush current protection ■ Short-circuit protection on positive output ■ Overtemperature protection ■ Temperature range - 40 °C to 85 °C ■ True shutdown mode ■ Fast output discharge after shutdown ■ Package DFN 4x4 mm 12 leads 0.75 mm height, 0.5 mm pitch Applications ■ Digital photo frames ■ Ultra mobile PCs ■ Mobile Internet devices ■ Digital still cameras / camcorders ■ Portable media players / DVD players Description The STOD14 is a dual channel DC-DC converter driver for medium-sized AMOLED display panels. It integrates a step-down and an inverting converter in a compact IC design. The excellent efficiency makes it particularly suitable for battery operated products. The high frequency operation allows the value and size of external components to be reduced. The positive output voltage is fixed at 4.6 V with very high current capability and is generated using a buck converter. The negative output is programmable by an external MCU through a dedicated pin which implements single-wire protocol, with values from - 2.4 to - 6.0 V. Soft-start with controlled inrush current limit, load disconnect and thermal shutdown are integrated functions of the device. DFN12L (4 x 4 mm) Table 1. Device summary Order code Positive voltage Negative voltage Package Packaging STOD14PUR 4.6 V - 2.4 V to - 6.0 V DFN12L (4 x 4 mm) 3000 parts per reel www.st.com |
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