JTE0348D03

Voltage - Output 3:	--
Size / Dimension:	1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Package / Case:	24-DIP Module, 8 Leads
Mounting Type:	Through Hole
Efficiency:	75%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	3W
Current - Output (Max):	450mA, 450mA
Series:	JTE
Voltage - Output 2:	-3.3V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DC DC Converters

DC-DC converters, or direct current-direct current converters, are devices for converting electric power from one electric potential to another. They are widely used in the industry for a variety of purposes, as they provide a way to efficiently reduce or increase the input power. The JTE0348D03, for example, is an elegant, cost-effective DC-DC converter solution designed for telecom and industrial power systems.

Application Field

The JTE0348D03 is designed to be used in applications in the airline, industrial, telecom, and datacenter markets, where it is important to provide reliable power distribution in a reliable and cost-effective manner. In particular, it has been designed with Flyback topology and synchronous rectification, allowing it to offer excellent efficiency and power density.In addition, the JTE0348D03 has been designed for use in telecom power systems, providing power conversion solutions for a variety of applications including: back-up power, system power distribution, distributed network power conditioning, and PoE power over twisted pair. In industrial applications, the JTE0348D03 is ideal for powering small to medium-sized motor drives and is capable of providing up to 800 watts of continuous output power. The device is also suitable for customized solutions and voltage regulators, offering high power density, low output ripple and adjustable output range.

Working Principle

The JTE0348D03 is designed with a flyback topology to provide a cost-effective and efficient DC-DC conversion solution. The flyback topology is intriguing and simple, allowing magnetic energy stored in an inductor to be recycled during transistor switching cycles. This recyclable energy drastically reduces the amount of energy required to operate the converter, allowing for a more efficient design.A basic flyback topology comprises of an input rectifier, a power switch, an output rectifier, and a storage inductor. In the JTE0348D03 specifically, the power is drawn from the input rectifier\'s DC bus, and the power switch converts it into a pulsating voltage. The storage inductor then stores the generated energy and supplies it to the output rectifier, which converts the pulsating voltage back to the necessary DC busoutput.In addition, the JTE0348D03 offers integrated synchronous rectification, allowing for greater efficiency while ensuring reliability. This type of rectification uses a secondary winding in the converter to rectify an instantaneous voltage at the switching of each cycle, and is ideal for high-efficiency power conversion over high temperatures.

Conclusion

The JTE0348D03 is a versatile and cost-effective DC-DC converter solution designed for a variety of applications in the telecom and industrial markets. It employs a flyback topology along with integrated synchronous rectification, providing excellent efficiency and reliability. The device is capable of providing up to 800 watts of continuous output power and is suitable for customized solutions.

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