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Versatile Boost Converter (TPS61080)

2016-01-19 18:19  
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This article describes the Versatile Boost Converter (TPS61080). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: TPS61080.

There are two types of highly integrated boost converters, the TPS61081 and? TPS61080.? Both of them require low input voltage of 2.5V and the output is adjustable up to 27 V. The TPS61080′s current limit rating of the integrated power switches is 0.5 A and 1.3 A for TPS61081. Here is the circuit :

Versatile Boost Converter with TPS6108x circuit schematic

It is useful for industrial application such as a 12- or 24-V industrial power rail from a 3.3- or 5-V bus. It also can be used to boost the 3.6-V Li-ion battery voltage used in most portable applications. Besides that, it can be used for higher voltages required applications such as OLED displays, powering thinfilm-transistor (TFT) LCDs, camera flashlights or WLED backlights.

For? light-load efficiency, we can configure the switching frequency about 600kHz and 1.2 MHz for smaller external components . An extremely small boost converter is enabled by the 3 × 3-mm QFN package for a wide variety of applications because it has, fast PWM switching and internal power switches, and integrated feedback compensation. [Source: Texas Instruments Application Note]


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