PT78ST112T

The PT78ST112T is a DC DC Converter module with a wide range of application fields including industrial automation, communication systems, and other electronic systems. The converter is used to step up or step down voltage, from a low DC voltage to a high DC voltage. It provides current-mode control and the ability to provide a constant output current with fine-tuning capability. Its working principle is based on a simple buck-boost topology.

The PT78ST112T is a single-stage buck-boost converter based on the basic switching converter principle. It provides an output voltage which is dependent on the input voltage, and it operates at a switching frequency of over 200 kHz. The output switching signals are generated by the converter’s integrated switching circuit. This circuit is capable of operating in either buck or boost modes, and it controls the output voltage by controlling the duty cycle of the switching signal. The output voltage can be adjusted through both VID codes and active voltage positioning.

The PT78ST112T features a wide input voltage range, allowing operation from 4.5V to 44V. This means it can be used with varying input voltage sources and is a suitable choice for use in systems with a wide range of environmental applications. It can also be used in applications where the input voltage differs from the desired output voltage. The converter has a wide output voltage range, from 0.7V to its maximum V_OUT = 44V.

The PT78ST112T also has a variety of protection features. These features include overvoltage protection, reverse input detection, overcurrent protection, and short-circuit protection. The converter also provides open load protection, thermal shutdown, and transient protection for over-voltage or under-voltage. These features ensure that the converter is able to withstand a wide range of environmental and operational conditions.

The PT78ST112T’s current mode control topology allows for excellent transient response, making it suitable for applications requiring high performance and accuracy. It has a wide range of input/output capacitors and inductors to ensure efficient operation. Its output voltage is designed to achieve excellent voltage accuracy and fast response. Moreover, the converter also includes a command interface which enables programming of the converter’s output voltage and current limit level.

In summary, the PT78ST112T is a highly reliable, efficient, and cost-effective DC-DC converter module capable of operating over a wide range of voltages. It is suitable for use in industrial automation, communication systems, and other electronic systems. It features a current-mode control topology, a wide range of protection features, and a wide range of input/output capacitors and inductors. The command interface enables programming of the converter’s output voltage and current limit level, ensuring an accurate and fast response. This makes the PT78ST112T an ideal choice for applications which demand high performance and reliability.