TPS61045

TPS61045概述

采用 QFN-8 封装的 28V 85% 效率的升压转换器,用于 LCD 应用领域

The device is a high-frequency boost converter with digitally-programmable output voltage and true shutdown. During shutdown, the output is disconnected from the input by opening the internal input switch. This allows a controlled power-up and power-down sequencing of the display. The output voltage can be increased or decreased in digital steps by applying a logic signal to the CTRL pin. The output voltage range, as well as the output voltage step size, can be programmed with the feedback divider network. With a high switching frequency of up to 1 MHz, the TPS61045 device allows the use of small external components, and together, with the small 8-pin VSON package, a minimum system solution size is achieved.

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Input Voltage Range from 1.8 to 6 V
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Output Voltage of up to 28 V Possible
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Up to 85% Efficiency
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Digitally Adjustable Output Voltage Control
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Disconnects Output From Input During Shutdown
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Switching Frequency up to 1 MHz
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No Load Quiescent Current 40 µA Typical
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Thermal Shutdown Mode
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Shutdown Current 0.1 µA Typical
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Available in Small 3-mm × 3-mm VSON Package
TPS61045数据文档
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