Product overview
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.
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All 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 SWIREfrom - 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
EDA Symbols, Footprints and 3D Models
The STMicroelectronics team - STOD14
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