TPS53219RGTR

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TPS53219RGTR is a synchronous step-down voltage regulator which integrated with multiple high current switches. It is a Class-F compliant buck controller which is a part of Power Management Integrated Circuit (PMIC) voltage regulator family, primarily for DC to DC switching controller applications. Applications broadly covers fields from process control systems, data storage, RF transceiver, LED lighting, portable medical device, industrial, automotive entertainment and consumer. The TPS53219RGTR provides a constant pulse width modulated output voltage with programmable switching frequency up to 1.5 MHz.

The working principle of the TPS53219RGTR relies on switching controller technology. It consists of a high current power stage and an on-chip voltage regulator. It supply current to the power stage through a constant switching frequency to its output load. The output load can be variable with its external components, the output voltage is controlled by the external components. It has an internal oscillator and voltage feedback loops to accurately regulate the output voltage holds the output load stable. With the built-in programmable soft-start, it can reduce in-rush current to its output load.

Furthermore, the TPS53219RGTR is designed to be internally synchronizable with pulse-by-pulse current limitation. A build-in power stage voltage clamp helps to prevent its power switch from overloading and over heating. It also provides a current sense resistor to monitor its average load current, a delayed shutdown circuit to decrease output ripple and low quiescent current (Iq). Besides, the TPS53219RGTR included with an over voltage protection (OVP) to prevent its output voltage from overshooting.

The TPS53219RGTR is a synchronous step-down voltage regulator suitable for various applications ranging from process control systems, data storage, RF transceiver, LED lighting, portable medical device, industrial, automotive entertainment and consumer. It is designed to provide a constant pulse width modulated output voltage, with internal oscillator and feedback loops, soft-start, synchronizability, pulse-by-pulse current limitation and a variety of protection features. The TPS53219RGTR is a part of the PMIC voltage regulator framework, supporting DC to DC switching controller applications.

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