RS3-4809SZ Power Supplies - Board Mount

A DC-DC converter is an important type of power converter found in many types of electronic applications. It is a device that converts a DC voltage to a different DC voltage. DC-DC converters are broadly used to adapt a voltage level from one source to another for various applications like power supplies, battery charging, and motor control and instrumentation.RS3-4809SZ is a type of DC-DC converter. It is a 1-watt, isolated, regulated DC-DC converter. It offers stepping up or down the input voltage with a wide input voltage range from 2.5 to 5.5 volts, and with a fixed output voltage of 3.3 volts and includes an onboard Schottky diode that enables the output load to be connected to the input voltage. The RS3-4809SZ adopts a circuit structure that provides isolation between input and output with a low-cost PCB assembly. In addition, it provides protection against short-circuits and open-circuits as well as protection against input transient and output over-voltage conditions.The working principle of the RS3-4809SZ DC-DC converter is based on the Forward Converter. It is a kind of switching-mode power source that is adapted for regulating the output voltage of a DC source in response to changes in the DC load. The converter has two windings on a common magnetic core, one primary winding and one secondary winding. The primary winding has a connection to the DC source voltage and the seco ndary winding has a connection to the DC load.When the converter is operating, a switching circuit is used to control the flow of current in the primary winding. This control is done such that the current in the primary winding is regulated in order to maintain a steady output voltage across the secondary winding. The current in the primary winding is turned on and off at a certain rate to keep the output voltage level. This switching process is known as pulse-width modulation.The RS3-4809SZ DC-DC converter is widely used for applications such as medical devices, consumer or commercial electronics, process controllers, solar systems, fuel cell applications, and automotive systems. It is an ideal solution for applications where a low output voltage is necessary, such as in medical instruments measuring levels of blood pressure, blood sugar and other body fluids.The RS3-4809SZ is a reliable DC-DC converter. It has a low quiescent current of 300µA, a high efficiency of up to 88%, and a wide operating temperature range of -40°C to +85°C. It is also capable of providing up to 140mA of output current.The RS3-4809SZ DC-DC converter is an excellent choice for applications that require low input voltage levels and high efficiency. Its simple and reliable design makes it a good choice for many applications.