PT6938C

Voltage - Output 3:	--
Base Part Number:	PT6938
Size / Dimension:	2.58" L x 1.19" W x 0.43" H (65.5mm x 30.2mm x 10.9mm)
Package / Case:	23-SMD Module
Mounting Type:	Surface Mount
Efficiency:	79%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Current - Output (Max):	8.6A, 1.6A
Series:	Excalibur™ PT6935
Voltage - Output 2:	1.2V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	2
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC ConvertersThe PT6938C is a unique DC/DC converter designed specifically for industrial applications. As a buck converter, the PT6938C reduces the input voltage to a needed level, allowing it to be used in industrial control, industrial equipment, medical equipment, automotive, communications, aerospace and other applications that require high power output with minimal input voltage fluctuation.PT6938C Application Field and Working PrincipleThe PT6938C is suitable for different environments such as high temperature (protection up to 200°C), high humidity and dusty atmosphere. It offers high efficiency solutions for power output up to 45 W and boasts an operating temperature range from -40°C to +125°C, allowing it to be used across a wide range of industrial applications.The PT6938C is equipped with a choice of external connectors for ease of connection and its digital isolation allows the converter to be used in both industrial and medical safety applications. The PT6938C has an integrated soft-start and output stays constant even when the input voltage varies.The PT6938C has a working principle based on the buck converter, which is a DC-to-DC conversion method for controlling direct current voltage levels. In principle, a buck converter contains a power switch, input capacitor, and an output inductor, and acts as a voltage regulator.The buck converter works by controlling the power switch to ground, which in turn allows current to flow from input to output, commutating the switch when the correct output voltage is achieved. This process is repeated on a cycle, so that the output voltage is regulated at the desired level. As a consequence, the buck converter translates a higher input voltage into a lower output voltage with high efficiency.The PT6938C converter also includes a Soft Start feature, which helps reduce inrush current at the output while the unit is powering up. This helps reduce the noise that is often produced by power sources in the industrial space during powering up.Overall, the PT6938C is a DC-to-DC conversion solution designed for industrial applications that require high power output with minimal input voltage fluctuation and the ability to handle harsh environmental conditions. It is suitable for applications in industry, automotive, aerospace, medical and communications. With its integrated soft-start feature and excellent efficiency, the PT6938C is a great choice for a wide range of applications requiring power efficiency and stability.

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