PT4823N

Current - Output (Max):	8A, 6A, 6A
Base Part Number:	PT4823
Size / Dimension:	--
Package / Case:	21-SIP Module
Mounting Type:	Through Hole
Efficiency:	85.6%
Operating Temperature:	-40°C ~ 85°C
Features:	UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	35W
Series:	Excalibur™ PT4820
Voltage - Output 3:	1.2V
Voltage - Output 2:	2.5V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	3
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters

A DC DC converter, also known as a DC-to-DC converter, is an electronic circuit or electromechanical device that converts a DC input voltage to a different DC output voltage. One of the most widely used types of DC-to-DC converters is the PT4823N. This article will discuss the application field and working principle of the PT4823N.The PT4823N is a step-down DC-to-DC converter with a wide input voltage range of 6V–36V, and can support loads up to 1A. It uses bipolar technology to achieve a maximum efficiency of more than 95%. The input voltage is filtered by two capacitors (220 μF and 10 μF) and the output voltage is adjustable with an external resistor. It is mainly used in automotive electronic systems and power management systems, such as electric vehicles, solar power systems, and other power supplies requiring high power.The working principle of the PT4823N is based on Buck converter technology. A Buck converter receives an input voltage, and then reduces or steps-down the voltage using a process called Pulse Width Modulation (PWM). The PWM created by the converter is then used to control the output voltage. The PT4823N uses a Buck-Boost architecture to ensure that the output voltage is always higher than the input voltage, while providing a steady output voltage that is adjustable by an external resistor.The PT4823N is equipped with several safety features to protect against short circuits, over-voltage, and over-current. It also features an input voltage UVLO protection, which prevents the converter from operating if the input voltage is too low.In addition, the PT4823N is designed to deliver a high-efficiency output, due to its low quiescent current, low input voltage doubling, and low output voltage ripple. This helps to reduce power loss and improve the overall conversion efficiency of the device.In conclusion, the PT4823N is an efficient, high-current DC-to-DC converter with a wide operating voltage range. It is suitable for a variety of applications including automotive electronics and other power management applications. It features a high maximum efficiency of more than 95%, an adjustable output voltage, and several safety features.

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