THN 20-1223

Current - Output (Max):	667mA, 667mA
Supplier Device Package:	--
Size / Dimension:	1.00" L x 1.00" W x 0.39" H (25.4mm x 25.4mm x 9.9mm)
Package / Case:	6-DIP Module
Mounting Type:	Through Hole
Efficiency:	89%
Operating Temperature:	-40°C ~ 75°C (With Derating)
Features:	Remote On/Off, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	20W
Series:	THN 20
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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Introduction

DC-DC converters are widely utilized in numerous applications due to their ability to convert direct current (DC) from one voltage level to another. The THN 20-1223 is a DC-DC converter that is primarily used to reduce a DC input voltage to a lower output part. It is designed to offer very high output current and power and its performance increases as the input voltage increases. In this article, we will discuss the application field of the THN 20-1223 converter and its working principle.

Application Field

The THN 20-1223 converter is primarily used in 5-24V DC power systems to reduce a higher voltage to a lower voltage such as 5V DC for microcontroller systems. It can also be used to generate regulated output voltage from a wide variety of sources, such as automotive batteries, solar cells, and external power supplies. It is ideal for applications that require high power output with a constant voltage supply, such as industrial machinery and vehicles. It is also used in data communication devices where it is essential to reduce power consumption to a minimum.

Working Principle

The THN 20-1223 converter utilizes a buck-converter DC-DC switch-mode power supply topology. It is a step-down voltage regulator, which converts high input voltage into low output voltage using an integrated switch. The converter works by rapidly switching on and off the integrated switch to regulate the output voltage. As the switch is switched on, the current will start to build up, and as it is switched off, the stored energy will act as the output voltage. As the output voltage drops lower than the input voltage, the integrated switch reverts back to its original state and the cycle is repeated. The converter has several advantages compared to other converters. It allows for a very efficient operation due to the higher switching frequencies, which in turn, reduces the size of components. It also features a low switching loss and low ripple voltage, making it suitable for high power applications. Furthermore, it can be configured to provide both constant current or constant voltage depending on the user\'s needs.

Conclusion

The THN 20-1223 DC-DC converter is a versatile and efficient voltage regulator that can be used in a variety of applications where a low output voltage is necessary. Its working principle is based on a buck-converter switch-mode power supply topology that converts high input voltages into low output voltages. It offers many advantages such as high efficiency, low switching loss, and low ripple voltage, making it ideal for high power applications.

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