TPS544B20RVFT Integrated Circuits (ICs)

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TPS544B20RVFT switching regulators, or DC to DC regulators, are devices that control the power supplied to a particular electrical device, ensuring a constant voltage and steady output in the face of fluctuating input voltages. They are an integral part of power management systems, providing the functionality to run electronic equipment reliably.

Switching regulators are available in different form factors, such as linear and switchmode, and multiple topologies within those categories. In order to satisfy a wide range of applications and environmental requirements, switching regulators like the TPS544B20RVFT supply a variety of functions, configurations, and flexibility. This makes them suitable for a vast array of professional applications.

With their wide-input voltage range of 4.5 V to 35 V and 0.5 V to 5.5 V output voltage range, TPS544B20RVFT switching regulators can be used in a broad array of circumstances. Their advanced features and reliability enable the product to be used in high-performance and accurate voltage regulation applications including:

• Automotive systems
• Portable medical and consumer electronics
• Telecommunication base stations
• Industry-grade solutions

TPS544B20RVFT is also designed for highest efficiency and lowest noise to reduce power consumption and improve user experience. As a result, it is suitable for systems with low current/voltage available resources, as well as high-current applications.

The TPS544B20RVFT is a synchronous step-down DC-DC converter that operates over a wide input voltage range and is designed to provide regulated output voltage. It achieves high efficiency by employing constant-frequency current-mode (CFCM) control and synchronous rectification.

The operating frequency of the converter is set via an external resistor and is around 1.8MHz when no resistor is added. It varies with the value of the external resistor and will not go lower than 1MHz. The load and line-regulation of the voltage output is improved due to the constant-frequency controlled operation.

The TPS544B20RVFT synchronous regulator has an integrated gate drive circuit that can drive a power n-MOSFET. This enables a low on-resistance power stage, providing efficient step-down conversions, as well as an excellent di/dt and dv/dt control for transient load operations. It also features an internal over-current and thermal protection.

Other features of the TPS544B20RVFT include: power-on reset, a PowerGood output signal, a low quiescent current and a hiccup mode operation, which can latch-off the power from the output. In addition, it features an External Programmable Soft-Start that allows user control of the soft-start period.

The TPS544B20RVFT is a very efficient and reliable DC-DC regulator that is suitable for a wide range of applications. Its advanced features and design make it one of the most popular devices in the industry.

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