PT4662C

Current - Output (Max):	15A, 15A
Base Part Number:	PT4662
Size / Dimension:	3.61" L x 1.62" W x 0.50" H (91.7mm x 41.1mm x 12.7mm)
Package / Case:	26-SMD Module
Mounting Type:	Surface Mount
Efficiency:	87%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	87W
Series:	Excalibur™ PT4660
Voltage - Output 3:	--
Voltage - Output 2:	2.5V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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Introduction

DC-DC converters are electronic power conversion devices used to convert electricity from one DC voltage level to another. The most common type of DC-DC converter used today is the PT4662C, a compact, high-efficiency, high-power density DC-DC converter module. This article will discuss the PT4662C’s application field and its working principle.

Application field

The PT4662C’s small size and high efficiency make it ideal for a wide range of applications, including telecommunications systems, automotive systems, medical devices, and industrial equipment. Its ability to deliver high power and high accuracy make it an ideal choice for applications requiring tight voltage regulation and minimal power losses. It is particularly useful in applications, such as networking devices and LED lighting systems, that require continuous operation at low input voltages.

Working principle

The PT4662C module is based on a simple buck-boost topology, which allows it to draw power from either a higher or lower voltage source and output a proportional regulated DC voltage. The module comprises two switching transistors, an inductor, a diode, and several components to control the output voltage. The output voltage is regulated via a feedback loop that monitors the output voltage and adjusts the switching transistors accordingly.The module works by switching between charge and discharge cycles. In the charge cycle, the inductor stores electrical energy in the form of a magnetic field. During the discharge cycle, the stored energy is released and the output voltage is regulated. The switching frequency of these cycles is determined by the feedback circuit, which adjusts the duty cycle of the transistors accordingly. By this process, the module is able to convert input voltages from a range of 5-80 V to output voltages from 0-50 V.

Conclusion

The PT4662C is an efficient, small, and powerful DC-DC converters module. Its application field ranges from automation, medical devices, industrial equipment, and telecommunications systems to networking devices and LED lighting systems. In addition, its working principle is based on a buck-boost topology, allowing it to regulate input voltages from 5-80 V to output voltages from 0-50 V. As such, it has become a popular choice for high-power density DC-DC device applications.

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