ISB0112S12 Power Supplies - Board Mount

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DC DC Converters

A DC to DC converter is an electronic device that converts a direct current (DC) energy from one DC voltage level to another. The main purpose of this type of converter is to reduce or increase the voltage of a source. This can be done in one of two ways; either through a transfer of kinetic energy or through a transforming of electrical current.

DC to DC converters can be used for various purposes, such as in household appliances, power supplies, and other electronic devices. They play an important role in many modern circuits, specifically in providing a uniform voltage source. A wide variety of DC to DC converters are available, each designed to suit a specific application or purpose.

ISB0112S12 Application Field and Working Principle

The ISB0112S12 is a step-down DC to DC converter specifically designed to provide regulated DC output for applications requiring a high power density. This converter provides adjustable output voltage in the range of 1.2V–12V, making it ideal for high current applications such as routers, switches, gateways, servers and embedded computers. Its high efficiency, up to 95%, enables it to operate with minimal heat dissipation. The device also features a sense pin that is used to sense remote on/off voltage for improved power efficiency.

The ISB0112S12 features a buck topology. In this configuration, an input voltage is applied across the input capacitor, while the output voltage is provided across the output capacitor. The power is transferred between the two capacitors by a buck converter, a type of switch-mode power supply. In operation, the output capacitance is modulated by a pulse-width modulated (PWM) signal applied to the converter\'s switch, which is controlled by an external control signal. As the control signal increases or decreases, so does the duty cycle of the converter, adjusting the amount of time that the switch is on and off.

The ISB0112S12 includes some additional features, such as a soft-start capability, overvoltage and undervoltage protection, and a dynamic response to changing load conditions. It also includes an integrated EMI filter that reduces unwanted electromagnetic interference. This device is available in a compact, 5mm x 5mm package, making it a great choice for space-constrained applications.

The ISB0112S12 is one of the most efficient and reliable DC to DC converters on the market and is well suited for many high current applications. It is designed to provide reliable power for devices that require low heat dissipation, high efficiency and stable output voltage. In short, the ISB0112S12 is a great choice for any device requiring regulated DC output.

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