TPS8268105SIPT

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DC DC converters are widely used to power electronic devices and components in electrical and electronic circuits. The TPS8268105SIPT is a high efficient DC-DC converter from Texas Instruments. This IC converts the input voltage to a constant, precisely regulated output voltage with low noise and low ripple. The device has a wide input voltage range from 4.5V to 56V and provides up to 3A of continuous output current. The device is ideal for powering LEDs, RF components, wifi modules, power supplies, and other electronic circuits that require a low noise, precisely regulated dc output voltage.

The TPS8268105SIPT is designed to provide precisely regulated and low noise output voltages of up to 28V. The output voltage is adjustable using an external resistor divider network, allowing the user to set the output voltage with high accuracy. The device also features programmable over-voltage and under-voltage protection, adjustable soft-start, and adjustable current limit protection.

The internal converter design of TPS8268105SIPT uses a synchronous buck topology to achieve an efficient and reliable conversion process. The synchronous converter uses two switches controlled by the integrated pulse width modulator (PWM) which drives the power stage. The PWM modulator generates a precise duty cycle from the feedback signal proportional to the input voltage. This ensures that the output voltage remains constant regardless of changes in input voltage or load current. The pulse width modulator then drives the two switches of the synchronous convertersuch that a precise output voltage is maintained.

The TPS8268105SIPT also has adjustable current limit, cycle-by-cycle over-current protection, and adjustable soft-start. The adjustable current limit feature allows the user to limit the maximum output current of the IC. This is useful for limiting the inrush current when the output voltage is connected to a capacitive load. The device also features an adjustable soft-start feature which can be used to limit the rate of the output voltage increase when the part is first turned on. This can prevent large inrush currents when the IC is used to power capacitive loads.

The TPS8268105SIPT is optimized for high power applications and can reliably deliver up to 3A of continuous output current with a low output voltage ripple. The device is available in a space efficient TSSOP package and is ideal for applications where a small, precisely regulated output voltage is required such as powering LEDs, RF components, power supplies, and other electronic circuits.

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