产品概述
描述
The STOD02 is a dual DC-DC converter meant to power AMOLED displays. It integrates a step up and an inverting DC-DC converter making it particularly suitable for battery operated products, where the major concern is the overall system efficiency. STOD02 works in pulse skipping mode during low load condition and in PWM-mode (at 1.6 MHz) for medium/high load condition. The high frequency allows reducing the value and number of external components just to 6 components needed. The enable pin allows turning off the device so reducing the current consumption to less that 1 μA. The negative output voltage can be programmed by an MCU through a dedicated pin which implements singlewire protocol. Soft-start with controlled inrush current limit and thermal shutdown are integrated functions of the device.
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所有功能
- Enable pin for shutdown mode
- 1.6 MHz PWM mode control switching frequency (IO > 10 mA)
- Soft-start with inrush current protection
- Low quiescent current: <1 μA in shutdown mode
- Temperature range: -40 °C to 85 °C
- Over temperature protection
- Fast outputs discharge circuit after shutdown
- True shutdown mode
- Package: DFN 12 leads - (3 x 3 mm)
- Typical efficiency: 85 %
- Programmable negative voltage by S-wire from -2.3 V to -5.9 V
- Step-up and inverter converters
- Synchronous rectification for both DC-DC converters
- Operating input voltage range from 2.5 V to 4.5 V
- 4.6 V fixed positive output voltage
- Pulse skipping mode in light load condition (IO < 10 mA)
- 150 mA maximum output current
EDA符号、封装和3D模型
意法半导体 - STOD02
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