THN 15-1215

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DC DC Converters

DC-DC converters offer a unique way to convert direct current (DC) input from one DC source to an output of another, typically higher or lower, voltage. A DC-DC converter, such as THN 15-1215, also referred to as a “DC regulator”, “switching regulator” or “switch-mode” converter, uses electronic components in an effort to transfer energy from one DC voltage level to a higher or lower voltage level with high efficiency. This is especially important in order to take advantage of high-level voltage sources and minimize power losses that could be associated with signal distortion and other effects.

Application Field and Working Principle

In the specific case of THN 15-1215, this DC-DC converter is designed to take the input voltage of 15V and convert it to 12V. This specification is critical for applications such as portable battery powered equipment, vehicle-mounted systems, security systems, and process control. The THN 15-1215 offers a wide input voltage range of 9 VDC to 30 VDC, and an output voltage range of 2.3 VDC to 14.5 VDC. The output current is set by an external resistor, and is selectable up to 1 amp.

The internal switch of the DC-DC converter operates at a fixed frequency and usually uses a pulse width modulated (PWM) signal. An example of how the THN 15-1215 functions could be seen as the input voltage being stepped down by a series of inductors in a transformer-like circuit. The inductors draw the input signal current, which is then stepped down in the output circuit by a series of higher voltage capacitors. The output voltage depends on the strength of the capacitors and the switching frequency of the DC-DC converter.

A switching regulator like the THN 15-121 works by using power switches, such as MOSFETs, in order to convert the input power into an output voltage. The power switches work by either connecting or disconnecting the input power in order to control the output voltage. This operation is then regulated by the voltage regulator that monitors the output voltage in order to maintain it at the desired level.

The THN 15-1215 comes with a number of features that make it an ideal choice for a wide range of applications. For example, it has an input surge protection of 10V, over current protection, under voltage lockouts, input over voltage protection, and thermal shutdown protection. In addition, it offers a high efficiency of up to 88%, high power density of up to 6.2W/in3, and adjustable output voltage.

In conclusion, DC-DC converters, such as the THN 15-1215, have become increasingly popular due to their ability to convert DC input from one voltage to another. With features such as input surge protection, input over voltage protection, and thermal shutdown protection, the THN 15-1215 is an ideal solution for a wide range of applications, from portable battery powered equipment to vehicle-mounted systems.

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