TPS78618KTTR

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The TPS78618KTTR is a non-synchronous, fixed-frequency, step-down linear regulator with low quiescent current. It’s designed to power components that require standard output voltages between 1 to 3.15V. This device is fit in many application fields and it works according to the following principle.

The TPS78618KTTR has a mathematical equation that represents the output voltage of the device. This equation is VOUT=VIN*RFB / (RFB + RIN). The output voltage VOUT is given by the product of the input voltage VIN and the feedback resistor RFB divided by their sum. The TPS78618KTTR behaves in a linear manner, meaning that for a given input voltage, the output voltage only changes with the feedback resistor.

In the application field the TPS78618KTTR is mainly used for powering low voltage-consuming devices like digital chips, FPGAs and ASICs. It’s also used as a portable power source, powering multimedia systems, gaming console and other devices. In terms of power efficiency, this linear regulator is a good choice as it provides low drop-out voltage and high power savings.

In terms of design, the TPS78618KTTR comes with two-pin or two-mode controls. These two modes are the adjustable and fixed mode. In the adjustable mode the output voltage is regulated by adjusting either the feedback resistor or the external divider, while in the fixed mode, the output voltage is set to a predetermined value by setting the external divider. In addition, the device features current-mode control, which provides steady, fast transient response and excellent line and load regulation. Furthermore, the device is provided with active correction for current mode control and overvoltage protection.

The linear regulator also features programmable softstart and a combination of peak current limit and over-current protection that ensures the device does not experience over-current conditions during power up or power down periods. The TPS78618KTTR is fully protected with overtemperature protection, integrated short-circuit protection, and load recovery. In terms of installation, it is easy to install and maintain as it comes with two or four mounting holes.

Overall, the TPS78618KTTR is a non-synchronous, fixed frequency, step-down linear regulator with low quiescent current. It is mainly used in devices that require standard output voltages between 1 to 3.15V. It has two or four-pin or two-mode controls and provides excellent line and load regulation. It also offers current-mode control, active correction, and over-voltage protection. Furthermore, it features programmable softstart, over-current and overtemperature protection, and integrated short-circuit protection. All these features make it suitable for many application fields and ensure it works according to the linear regulator principle.

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