PTN78020WAST

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DC DC Converters

The PTN78020WAST DC DC Converter offers a cost-effective solution for power conversion applications which require high efficiency and relatively low power density. This converter is suitable for industrial, automotive, medical, communications, test and measurement, and aerospace applications.

Application Fields

The PTN78020WAST is a versatile device with multiple applications. It can provide a wide input voltage range of 4.5V to 20V, and can convert this input into a single regulated output ranging from 0.833V to 6V with a high power density, allowing it to meet the power requirements of various situations. It is suitable for a range of applications including:

• Automotive electronics, including on-board chargers.
• Medical devices such as patient monitors.
• Telecommunications systems.
• Aerospace systems.
• Test and measurement equipment.

Working Principle

The PTN78020WAST DC DC Converter uses an inductive step-down switching regulator to convert the input voltage into a low regulated output. The converter works by routing the input power through a transformer, rectifying it, and then regulating the output voltage. The transformer has two windings, the primary winding and the secondary winding. The primary winding is connected to the input voltage, and the secondary winding is connected to the rectifier. The rectifier converts the AC power from the secondary winding into a DC voltage. The output voltage is regulated by controlling the amount of power that is diverted from the primary winding to the secondary winding. This control is achieved by using a control IC, which is connected to the input voltage and the output voltage.

The PTN78020WAST DC DC Converter also features a voltage supervisor, low-power mode, and thermal protection. The voltage supervisor monitors the input and output voltages and shuts off the power if either one reaches a preset critical level. The low-power mode helps to conserve power when the system is idle. The thermal protection is utilized to avoid any damage to the converter by monitoring the temperature of the device and shutting off the power if it reaches a critical level.

The PTN78020WAST DC DC Converter is a reliable and efficient device with multiple applications. It provides a wide input voltage range and an adjustable output voltage range, as well as features such as voltage supervision, low-power mode, and thermal protection. In addition, it is easy to install and offers a cost-effective solution for power conversion applications.

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