TDL 2-4821

Current - Output (Max):	200mA, 200mA
Supplier Device Package:	--
Size / Dimension:	0.55" L x 0.55" W x 0.31" H (14.0mm x 14.0mm x 8.0mm)
Package / Case:	7-DIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	82%
Operating Temperature:	-40°C ~ 70°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	2W
Series:	TDL 2
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

The TDL 2-4821 is a DC to DC converter that is designed to provide a seamless flow of energy in areas that require a regulated voltage or current. This converter is extremely compact and can handle high power levels while remaining light and efficient. The versatility of the unit makes it ideal for applications in the telecommunications, automotive, computing, and satellite industries.

Features

The TDL 2-4821 features a unique two-stage switching structure, which results in a greater efficiency than traditional single-stage designs. Its input voltage range is 24 to 85 VDC, with a maximum output power of 60W, and a nominal efficiency rating of 88%. In addition, the unit has several safety features such as thermal protection and overvoltage protection, to ensure that the converter does not become damaged during operation.

Working Principle

The TDL 2-4821 operates using a two-stage switching structure in which the input voltage is reduced in the first stage before being inverted in the second stage. The first stage is a step-down transformer which reduces the input voltage to the desired level. This reduced voltage is then passed through a synchronous rectifier circuit to convert the voltage from AC to DC. The DC voltage is then further regulated in the second stage, which uses a buck-boost converter to regulate the voltage and increase efficiency. The converter can then convert the regulated DC voltage into an output of 24 to 85 VDC.

Applications

The TDL 2-4821 is ideal for powering small electronic devices or providing auxiliary energy for space-constrained applications. It is also useful in providing regulated power to many types of industrial equipment, such as cameras, medical equipment, and display screens. The converter is particularly useful in the telecommunications industry, as it can provide uninterrupted flow of energy from sources such as telecom infrastructure and solar energy. Furthermore, the unit provides greater efficiency than traditional single-stage conversion systems, which makes it an excellent choice for applications such as satellite communications and wireless networks that require low noise and high efficiency.

Conclusion

The TDL 2-4821 is a DC to DC converter designed to increase efficiency while still providing a reliable flow of energy. The two-stage switching structure provides greater efficiency than single-stage designs, and the wide input voltage range makes the unit suitable for a variety of applications. The converter is an ideal choice for space-constrained applications that require regulated power and high reliability.

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