R0.25D-3.309/H

DC-DC Converters have become increasingly popular as they meet a variety of power requirements from a variety of sources. A particular type of DC-DC Converter, an R0.25D-3.309/H, can be used to convert an input voltage to a desired output voltage. This type of converter can be used for a variety of applications and their working principles are outlined below.

Application Field

The R0.25D-3.309/H is a non-isolated step-down DC-DC Converter which has a wide range of uses in many applications, including isolated and non- isolated motor drivers, LED backlighting, point-of-load (POL) and other distributed power systems. It can be used in a variety of ways, as it has an input voltage of 4.5V - 24V DC with an output voltage adjustable from 0.6V to 18V DC. The converter is designed to provide low noise and high efficiency operation.

The R0.25D-3.309/H is a synchronous step-down converter with fixed and adjustable outputs. The fixed output is directly regulated from the input voltage and the adjustable output can be set to a desired voltage or controlled with an external voltage. This makes it suitable for a variety of applications, such as multi-channel LED design or distributed power systems.

The R0.25D-3.309/H has an overload protection feature that prevents damage due to overcurrent. It also provides a maximum input current of 1.5A (for peak current of 3A). This is suitable for a variety of power applications and in high current applications it is possible to use multiple converters to increase the output current.

Working Principle

The R0.25D-3.309/H is a synchronous step-down converter which uses an integrated switching regulator circuit to convert the input voltage to the required output voltage. The converter consists of an input capacitor, an inductor, an internal MOSFET switch, and an output capacitor. The switch is operated at a fixed frequency, which is determined by the inductance of the inductor and the capacitance of the output capacitor. During periods when the switch is on, the input voltage is transferred to the inductor, and during periods when the switch is off, the inductor charges the output capacitor and an output voltage is generated.

The output voltage is regulated by an internal feedback loop which senses the output voltage and compares it with an internal reference voltage. If the output voltage is higher than the reference voltage, the feedback loop reduces the switching frequency, causing the output voltage to decrease. If the output voltage is lower than the reference voltage, the feedback loop increases the switching frequency, causing the output voltage to increase. This process continues until the output voltage is equal to the reference voltage and the Output Voltage is thus regulated.

The R0.25D-3.309/H has an adjustable feature which allows for the adjustment of the output voltage. This feature can be used to set the output voltage to a desired value or to control the output voltage via an external voltage. This makes the converter ideal for applications that require a wide range of output voltages.

The R0.25D-3.309/H is a high efficiency DC-DC converter which is designed to provide low noise operation and excellent reliability. It can be used in a variety of power applications and its features make it an ideal choice for many types of applications, such as LED backlighting, distributed power systems, isolated and non-isolated motor drivers, and point-of-load (POL) applications.