REC3-2409DRW/H4/A/SMD/CTRL-R

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DC-DC converters are essential components in a variety of electrical and electronic systems. The REC3-2409DRW/H4/A/SMD/CTRL-R converter is a two-phase non-isolated DC-DC converter with ‘Enhanced Constant Power’ capability and stable output (voltage) regulation. This converter is designed to be used in conjunction with a wide range of popular microcontrollers, as well as those designated as ‘green’ and ‘energy efficient’.

The device can be configured as a power supply, a voltage regulator or an adjustable current source. The converter achieves its high-efficiency operation by employing a sophisticated dual-stage control strategy allowing tight regulation and high A/C current conversion without compromising efficiency. This makes it ideal for applications where power consumption and noise reduction are top priorities.

The REC3-2409DRW/H4/A/SMD/CTRL-R has a wide operating range as it can be operated across between 5V to 24V of unregulated incoming DC voltage. It also has a smart short-circuit protection which is enabled by default and an adjustable output voltage between 1.8V to 4V. The device has a typical efficiency of over 85%, and is designed with a wide ripple noise at 9MHz, which is lower than the conventional switching frequency. This makes it suitable for applications where low EMI is required.

In terms of the working principles, the device utilizes a two-phase synchronous buck regulator, providing high efficiency and fast transient response. The device has a fast dynamic response of less than 5us, with short duty cycle control technique for improved efficiency. The converter also features low quiescent current operation as the control circuitry is enabled only during the high-side switching and low-side switching. The high-side of the converter is regulated by a voltage mode control loop with a constant frequency switching architecture. This design approach offers superior load and line regulation, and helps to reject noise and minimize output voltage ripple.

The REC3-2409DRW/H4/A/SMD/CTRL-R has a wide range of applications including desktop PC, server, digital signal processing (DSP), digital audio, set-top boxes, and communication devices. It is also suitable for all types of embedded system and instrumentation applications where precise power control is required. Furthermore, devices of this kind can be used for the processing of automotive, consumer and industrial power supplies to reduce energy consumption and maximize performance.

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