PTEA420025N2AD

Current - Output (Max):	20A
Base Part Number:	PTEA420025
Size / Dimension:	2.22" L x 0.90" W x 0.52" H (56.4mm x 22.9mm x 13.2mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	89%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	50W
Series:	PTEA420025
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Part Status:	Obsolete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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IntroductionDC-DC converters are an important component used in many electronic devices today to convert direct current (DC) into an appropriate level of voltage for the target system. As such, their use is widespread throughout a variety of industries and applications, from computing and communications, to agricultural and medical technologies. In particular, this article is an in-depth look at the application field and working principle of one DC-DC converter, the PTEA420025N2AD.Application FieldThe PTEA420025N2AD module is a low voltage DC-DC converter, and is designed for applications requiring step-down telecommunication supplies, digital displays, and other low-power digital electronics. This module is distinguished from other converters by its high efficiency, low component count, small size, and light weight. All of these factors make it the ideal choice for applications in which space and weight constraints are significant factors.Working PrincipleThe PTEA420025N2AD converter is a “switched-mode” type of converter, meaning that it works by repeatedly switching power transistors on and off at a high frequency to regulate the output voltage. The frequency is typically between 100 kHz and 500 kHz, although it can be adjusted in some versions of the device.The input voltage is converted into a regulated DC output voltage through the use of internal power MOSFET (metal oxide semiconductor field-effect transistor) switches, inductors, and capacitors. The internal switches are turned on and off rapidly to create a pulse-width modulated (PWM) voltage, which is then filtered and regulated using the components mentioned above. The output of this converter is highly stable and efficient, and the device can operate at a wide range of input and output voltages.ConclusionThe PTEA420025N2AD DC-DC converter provides a high performance, cost effective solution for applications requiring low-voltage conversion. Its step-down capabilities, combined with its high efficiency, low component count, small size, and light weight make it an ideal choice for many applications. Furthermore, the device’s ability to operate across a wide range of input and output voltages makes it a versatile solution for a variety of projects.

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