PT4128C

Current - Output (Max):	5A
Base Part Number:	PT4128
Size / Dimension:	1.67" L x 1.48" W x 0.34" H (42.4mm x 37.6mm x 8.6mm)
Package / Case:	6-SMD Module
Mounting Type:	Surface Mount
Efficiency:	67%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OTP, SCP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	20W
Series:	PT4120
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	2.5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters: PT4128C Application Field and Working Principle

DC DC converters are electronic devices that convert direct current (DC) from one voltage level to another. In many cases, they are used to step down voltage. The PT4128C is the latest product in the series of high-performance DC DC converters from PowerTech. It is a next-generation DCDC converter designed for the most demanding applications.

Features:

The PT4128C DC DC converter has a wide range of features that can meet most applications needs. These include:• High power conversion efficiency: The PT4128C is capable of achieving up to 99% efficiency in power conversion.• Wide input voltage range: The wide input voltage range of 8V to 30V ensures that the PT4128C can be used in a variety of applications, including automotive, lighting, consumer electronics, and renewable energy applications.• Over-current protection: The PT4128C has built-in over-current protection, ensuring that it will not be damaged in situations of high current draw.• Short-circuit protection: It also features short-circuit protection for safe operation.• Low operating temperature: Operating temperature range of -40°C to + 85°C makes it suitable for extreme environments.

Applications:

The PT4128C is ideal for a wide variety of applications, including:• Automotive applications: The PT4128C is suitable for automotive applications where it can be used as an efficient and reliable power supply.• Lighting applications: The wide voltage range and high efficiency of the PT4128C make it ideal for lighting applications, such as LED lighting.• Consumer electronics applications: The PT4128C can be used to provide reliable power for consumer electronics devices.• Renewable energy applications: The PT4128C can be used in renewable energy systems, such as solar and wind power systems, to provide a reliable power source.

Working Principle:

The PT4128C DC DC converter works on the principle of switched-mode power conversion. This works by switching power transistors on and off at a high frequency in order to regulate the voltage and current output. This switching process is controlled by an internal digital controller, which allows for a more efficient and precise control of the converter\'s output.At its core, the PT4128C consists of two transformers. The primary transformer is responsible for converting the high voltage input to a lower voltage (typically 5V-12V) and the secondary transformer is responsible for converting the low voltage to the desired output voltage. In between these two transformers is a voltage regulator chip, which is responsible for regulating the output voltage and current in order to ensure that the load is supplied with the correct amount of power.The PT4128C also features various safety and protection mechanisms, such as current limiting, over-voltage protection, and thermal protection. These safety mechanisms help to ensure that the converter operates safely and reliably.In summary, the PT4128C DC DC converter is a next-generation DCDC converter designed for the most demanding applications. It is capable of achieving up to 99% efficiency in power conversion, and features a wide input voltage range of 8V to 30V. The PT4128C is suitable for a wide variety of applications, including automotive, lighting, consumer electronics, and renewable energy applications, and works on the principle of switched-mode power conversion. It also features various safety and protection mechanisms, such as current limiting, over-voltage protection, and thermal protection, which help to ensure safe and reliable operation.

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