MEJ1D1215SC Power Supplies - Board Mount

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The MEJ1D1215SC is a DC-DC converter, specifically designed for use within smart meters. It is essentially a high-efficiency switching regulator and has been designed for point-of-load applications.
This device is a high-efficiency, wide input range switching power supply with integrated regulation and line compensation. It is suitable for both non-isolated and isolated applications, providing a wide range of power conversion, from low power to medium power. It can be used as a single-channel or multi-channel D/A converter, a buck-boost converter, or a high efficiency linear regulator.
The MEJ1D1215SC can operate over an input voltage range of 36V to 75V, generating output voltages of 12V. Its operating temperature range is -40°C to +105°C, and it is able to operate without heat-sinking or air-flow. The device features a high level of integration, and includes a syncronous switch, a voltage monitor, an enabling pin, and a power track output. The device has an average efficiency up to 95%, and includes a voltage regulation input to output accuracy of ± 0.8%.
In its basic application, the MEJ1D1215SC is configured as a single-channel or multi-channel DC-DC converter, and is used to convert a DC voltage source from one value to another. For example, it can convert a 48V source to a 12V regulated output. The device incorporates both a synchronous and an asynchronous switch, and is driven by an internal oscillator, resulting in a switching frequency of 50kHz. The synchronous switch is used as the main switch, and the asynchronous switch is used for the power track control signal.
The MEJ1D1215SC also offers a wide range of protection features, including input undervoltage lockout, short-circuit protection, thermal shutdown, output overload protection, and latched shutdown. It also features a hot plugging safe start-up and a built-in inhibit/enable function. The device is also RoHS-compliant, making it suitable for commercial applications.
The MEJ1D1215SC can be used in a variety of applications, including battery charging systems, data systems, industrial equipment, consumer electronics, automotive electrical systems, telecommunications, medical equipment, energy management and power utilities. It is an excellent choice for applications where a regulated output voltage is required, and provides high efficiency and flexibility.
In conclusion, the MEJ1D1215SC is a wide input range DC-DC converter designed for a variety of applications. It offers an impressive level of protection, a wide operating temperature range, and excellent regulation accuracy. With its built-in features, the device is a cost-effective, reliable, and high-efficiency solution for smart meters and other point-of-load applications.

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