PT4485N

Current - Output (Max):	8.5A
Base Part Number:	PT4485
Size / Dimension:	--
Package / Case:	26-SIP Module
Mounting Type:	Through Hole
Efficiency:	89%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	100W
Series:	Excalibur™ PT4480
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	6.5 ~ 17.5 V
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Part Status:	Obsolete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

The PT4485N is a versatile and robust DC DC Converter that offers high-efficiency and reliable performance to meet the demanding requirements of advanced industrial, aerospace, transportation, medical and military applications. The device’s high-efficiency switching topology makes it a great choice for applications requiring low power consumption, extended battery life and unparalleled reliability.

Features of the PT4485N

The PT4485N offers a wide input voltage range and configurable single output voltage, making it highly suitable for industrial applications. It features a wide temperature operation range and is capable of providing a regulated output power up to 75W. The output voltage is adjustable via external resistors, allowing for optimal settings. It also features a variety of protection features, including overvoltage, short-circuit, and over-temperature protection. The device can operate in both constant voltage and constant current modes, enabling flexibility in system configuration.

Advantages

The efficient switching circuit of the PT4485N offers superior power conversion efficiency. The device also offers exceptional protection against transient conditions like electrical overstress, allowing for reliable system performance. The high frequency switching architecture helps to reduce noise and switch losses significantly, improving efficiency.

Applications

The PT4485N is an ideal DC DC Converter for applications that require high-efficiency and performance, such as power supplies, medical equipment, battery chargers, automotive electronics, and communication systems. The device is also suitable for harsh operating environments, such as outdoor exposed locations.

Working Principle

The PT4485N is based on a buck-boost topology, which allows for the transfer of power between input and output sources regardless of polarity. The device contains several circuits including a power switch, a control circuit, and an inductor for storing energy. The power switch is controlled by a PWM signal generated by the control IC, which ensures optimal efficiency and protection. The control IC also monitors the output voltage and adjusts the duty cycle of the power switch accordingly to ensure that the output voltage remains constant.

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