TPS79901DRVT

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TPS79901DRVT is a linear voltage regulator with low dropout designed by Texas Instruments, part of their TPS79900 line of products. The TPS79901DRVT is designed to provide regulated voltages ranging from 1.1V to 3.6V with an input range of 2V to 6V. The low dropout voltage and large output currents make it an ideal choice for a variety of applications, including portable devices and high-current LCD backlight drivers.

The TPS79901DRVT features a low dropout voltage of just 160mV at 1A output current, and its adjustable enable pin makes it possible to turn on and off the device with a single external resistor. Its output current is 2.2A, which makes it suitable for applications such as note book computers, mobile phones and handhelds. Furthermore, it is available in an ultra-small 2x2mm SW-PAK package which is ideal for space saving applications.

The TPS79901DRVT is designed to provide a fairly high current level with a low voltage dropout. This makes it useful for applications where a reliable, low noise power source is required. It is commonly used in high-current LCD backlight drivers, where the device is used to provide an adjustable output voltage with a low voltage dropout. The device is also suitable for use in high-current power supplies, portable devices such as notebook computers, mobile phones and handhelds, as well as other applications requiring a regulated voltage output.

The TPS79901DRVT features an internal current limiter which helps protect both the device and the load from thermal runaway. This feature ensures that the device will not overheat in the event of an overload or other fault condition. The device also has inbuilt thermal protection which helps protect the device from thermal damage caused by excessive power dissipation.

The TPS79901DRVT works using its internal PNP transistor as the pass element. The voltage across the NPN is used to regulate the output voltage in order to keep it steady. The device starts functioning when the enable pin is engaged. Once enabled, the internal pass transistor will allow current flow and the output voltage will be regulated to a reference voltage, typically 1.2V, by the internal voltage reference. The output voltage can be adjusted by adding an external resistor or a variable voltage regulator.

The TPS79901DRVT is a cost-effective solution for providing a regulated voltage output. It is suitable for a variety of applications, including LCD backlight drivers, notebooks, mobile phones and other applications requiring a reliable, low noise power source. The device’s low dropout voltage and small package size make it an ideal choice for space-restricted and space-constrained designs.

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