TPS53622RSBT

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The TPS53622RSBT is a high-performance synchronous buck regulator. In order to meet various system power requirements, it functions as a low-noise power source for point-of-load DC/DC applications. It features an operating voltage range of 4.0V to 24V, supports 4A to 15A continuous current and provides an outstanding transient response. The TPS53622RSBT operates from a single 5Vor 3.3V input power source, provides a regulated output voltage range of 0.7V to 18V, and has an integrated 40mΩ/60mΩmain switch.

The TPS53622RSBT application field is wide, including automotive, home networking, and gaming consoles. It is an excellent choice for low-noise solutions requiring high current with low input voltage noise and quality factor (Q). The device delivers up to 15A continuous maximum current with excellent transient response. It works well in applications requiring high current from a single power source, including automotive navigation systems that need 5Vor 3.3V input power to deliver 15A. The low input voltage noise and the low Q provide excellent noise immunity.

The TPS53622RSBT working principle primarily includes electrical isolation and regulation. Electrical isolation converts the input power to the right level and regulation reduces it to the desired output. The device is regulated by a constant voltage feedback path. The input voltage is regulated to the output voltage by a proportional-integral (PI)- unregulated loop. The internal regulator senses the output voltage and compares it to a reference. The PI-unregulated loop then adjusts the internal main switch current limit, thus regulating the output voltage according to the reference. The internal switch will then adjust its current limit until the reference point is reached.

In summary, the TPS53622RSBT is a high-performance synchronous buck regulator used for point-of-load DC/DC applications. It features excellent current, voltage, noise, and transient response and works well in applications requiring high current from a single power source. The TPS53622RSBT\'s working principle involves electrical isolation and regulation with a PI-unregulated loop for controlling the output voltage.

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