TPS62220DDCR

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The TPS62220 is a synchronous step-down DC-DC converter in a tiny SOT-23-5L package. It has been designed to provide the highest efficiency, consume minimum quiescent current, and maintain a low external parts count while operating at high frequencies, providing improved operating and thermal performance. This makes the TPS62220 a perfect fit for applications where board space and external components are limited as well as applications where power consumption needs to be kept to a minimum. The TPS62220 features a wide input voltage range of 4 V to 24 V, adjustable output voltage down to 0.6 V, and a fixed output current of 1.2 A which is suitable for various power-supply requirements.

The TPS62220 belongs to the PMIC (Power Management ICs) class, more specifically the Voltage Regulators and the DC DC Switching Regulators subclasses. Its basic working principle relies on leveraging an internal switching MOSFET to operate at a frequency of typically 1 MHz, which is modulated around a voltage reference band of typically ±25 mV. This allows it to reduce the voltage from a relatively high input voltage down to a much lower output voltage, with extremely high efficiency.

The TPS62220 can be used in most applications where a high efficiency, low output ripple and fast transient response are needed, including automotive, consumer electronics, and industrial systems. For car design, the TPS62220 can be used in many different fields, such as audio, infotainment, cameras and HVAC (Heating, Ventilation and Air Conditioning) systems. On consumer electronic devices, the TPS62220 can be used to power display panels, RF front-ends, memory systems and other digital ICs. On industrial systems, the TPS62220 can be used to replace a linear regulator in power supplies for FPGAs, ASSPs, and processor cores.

The TPS62220 operates in a continuous conduction mode (CCM), where the switching MOSFET is always conducting. This allows the TPS62220 to have a much higher efficiency than a linear regulator, and also makes its response time to load transient faster. This makes the TPS62220 ideal for applications where power is limited, heat needs to be kept to a minimum and fast response times are needed. This makes the TPS62220 a perfect solution for those looking for an efficient and versatile DC-DC step-down converter.

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