ISW1215A Power Supplies - Board Mount

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DC-DC converters offer efficient ways to change the output voltage from a DC power source to a voltage which is suitable for use in a variety of applications. The ISW1215A DC-DC converter is a highly integrated, high power density, and low cost solution that can be used to step up or down the voltage, depending on the needs of the application.

The ISW1215A features low current consumption, high power conversion efficiency, and a wide input voltage range of 4V to 28V. It is capable of providing a single-output of 5.5V to 20V with an output current of up to 1A.

The device contains an internal 0.9V reference voltage and a fast response, pulse-width modulated (PWM) controller with an external current-sense feedback circuit. The PWM controller produces a high frequency signal which provides tight regulation of output voltage and current.

The ISW1215A also features short-circuit and thermal protection. If an over-temperature or overloaded situation occurs, the device shuts down automatically. The internal current-limiting circuitry can also limit the short-circuit current and protect the device from overload.

The ISW1215A is ideal for telecom applications, medical devices, industrial systems, computer peripherals, and other applications that require reliable DC-DC power conversion. It is also suitable for use in distributed power systems, distributed power architectures, and power supply applications that require high power density, high efficiency, and low power consumption.

The ISW1215A DC-DC converter works by using a circuit to transform the input voltage into a desired output voltage. The basic working principle of the ISW1215A is based on the Buck or Boost topology.

In the Buck topology, the input voltage is stepped down via a switch. As the switch is opened the voltage across the load resistor is reduced and the voltage across the inductor is increased. When the current is controlled, the current will be equal to the output voltage divided by the output inductor.

In the Boost topology, the inductor is connected between the input voltage and the output voltage. When the switch is closed, the current through the inductor will increase and eventually reach a maximum value. At this moment, the energy stored in the inductor is transferred to the output voltage.

The ISW1215A DC-DC converter is a reliable and efficient power conversion solution. It features a high power density, low heat dissipation, and low power consumption, making it ideal for a variety of applications. With its wide input voltage range, fast response, PWM control, and short-circuit and thermal protection, the ISW1215A is well-suited for telecom, medical, industrial, computer peripheral, and power supply applications.

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