TVN 3-0923

Current - Output (Max):	100mA, 100mA
Supplier Device Package:	--
Size / Dimension:	0.86" L x 0.38" W x 0.44" H (21.8mm x 9.6mm x 11.2mm)
Package / Case:	8-SIP Module, 7 Leads
Mounting Type:	Through Hole
Efficiency:	81%
Operating Temperature:	-40°C ~ 90°C (With Derating)
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	3W
Series:	TVN 3
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	4.5V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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DC-DC Converters

DC-DC converters are electronic devices that convert a DC (direct current) input voltage to produce a regulated DC output voltage, typically with superior performance than what can be obtained by a linear regulator. They are used in many modern electronic systems, from computer power supplies to automotive applications. The TVN 3-0923 is a representative example of a DC-DC converter.

TVN 3-0923

The TVN 3-0923 is a 5V DC-DC converter designed to convert a DC input voltage of 4-6V to a regulated 5V output. This allows the converter to be used in applications where the supply voltage may vary within this range such as automotive systems, UPS systems, and other battery powered applications. The TVN 3-0923 is designed for use in high temperature environments with a maximum operating temperature of 105°C, and is housed in a 9 pin TO-220 package for use in sealed enclosures.

Application Field

The TVN 3-0923 can be used for a wide range of applications involving a regulated 5V output from a variable DC input. Examples of common uses include automotive electronics, portable medical electronics, industrial PCs, instrumentation, and currency-counting machines.

Working Principle

The TVN 3-0923 utilizes a conventional buck (step-down) DC-DC conversion topology. A buck converter is a switching regulator that takes a higher input voltage, steps it down and provides a regulated output voltage. In the TVN 3-0923, the input voltage is stepped down through a switching transistor that is connected to the output voltage through an inductor. When the switching transistor is on, the inductor energizes and the output voltage rises. When the transistor is off, the inductor keeps its magnetic field, which causes it to provide the saved energy to the output voltage. This process results in a step-down voltage conversion.

Features and Benefits

The TVN 3-0923 provides many features and benefits when compared to other DC-DC converters. It has a wide input voltage range, allowing it to be used in many different applications. The high temperature operation design makes it suitable for extreme environments, and the 9 pin TO-220 package provides optimum sealed enclosure performance. Additionally, it offers excellent transient response, low noise, and excellent regulation.

Conclusion

The TVN 3-0923 is a DC-DC converter designed to provide a regulated 5V output voltage from a variable DC input voltage of 4-6V. It is suitable for use in a wide range of applications including automotive electronics, portable medical electronics, industrial PCs, instrumentation, and currency-counting machines. The TVN 3-0923 utilizes a conventional buck (step-down) DC-DC conversion topology and offers many features such as wide input voltage range, high temperature operation, and excellent transient response.

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