RW2-2409D/H2/SMD

DC-DC converters have been an important part of modern electronics for decades, providing a cost-effective means for powering and controlling electronic devices. The RW2-2409D/H2/SMD is a popular step-down converter, which efficiently supplies an output voltage that is lower than its input voltage. In this article we will explore the application field of the RW2-2409D/H2/SMD as well as its working principle.

Application field: The RW2-2409D/H2/SMD is designed for a wide variety of applications, from telecommunication to aerospace and defense. This device is able to convert a voltage from 12 to 40 VDC to 3.3 VDC, with an output current of up to 3 A. The device has a high efficiency of up to 94%, providing reliable power with minimal energy loss.

Due to its small size and low cost, the RW2-2409/H2/SMD is ideal for applications that require high power, such as portable or handheld consumer electronics, embedded systems, and automotive systems. The device can be used in a variety of configurations, making it suitable for many different applications.

Working principle: The RW2-2409D/H2/SMD is a step-down DC-DC converter, which works by converting a higher voltage input into a lower voltage output. The device is based on a buck topology, which uses an integrated MOSFET as the main power switch. It also contains two capacitors and an inductor, which form the output LC filter.

The integrated MOSFET is driven by an internal pulse width modulation (PWM) control circuit, which operates at a frequency of 1.6 MHz. The duty cycle of the PWM signal is proportional to the output voltage, and is controlled by the onboard feedback circuitry. When the output voltage is low, the duty cycle of the PWM signal is high, allowing more current to be drawn from the input voltage source, and vice versa.

This PWM signal is then amplified by an onboard power amplifier, which drives the integrated MOSFET. When the MOSFET is turned on, current flows from the input voltage source, through the inductor, and then to the output filter capacitors, providing the output voltage. When the MOSFET is turned off, the inductor stores energy and prevents any backflow of current.

The RW2-2409D/H2/SMD also contains various protection features, such as over-voltage protection, over-current protection, and loop compensation, which ensure stable operation and improved efficiency. The device also has a wide operating temperature range of -40 to +85°C, making it suitable for a variety of applications.

In conclusion, the RW2-2409D/H2/SMD is a popular step-down DC-DC converter with a wide range of applications. Its small size and high efficiency make it ideal for portable and embedded applications. The device is based on a buck topology, which uses an integrated MOSFET and an internal PWM control circuit to provide a regulated output voltage. Its robust design ensures reliable operation and improved efficiency.