MGJ1D151505MPC-R7

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DC/DC converters are power converters with two terminals that regulate the voltage of an input source by converting it to a different output voltage. The MGJ1D151505MPC-R7 is a synchronized buck DC/DC converter offering adjustable output voltage and full protection from overload or current limit, short circuit and over temperature conditions. The device offers excellent line and load regulation as well as high efficiency, allowing for maximum power delivery with minimized power losses.

MGJ1D151505MPC-R7 features include input voltage range from 3.0V to 5.5V, output voltage accuracy at ±1%, 95% efficiency, fast transient response, low ripple voltage, high power density, adjustable operating frequency up to 3.5MHz, output current up to 1.5A, and a wide temperature range –40°C to +85°C. It is designed for reducing noise in digital circuits, and provides a reliable power supply for applications where low noise and low ripple is desired.

The MGJ1D151505MPC-R7 is suitable for applications such as 5V sensors, 5V DCOMs, 3.3V, 5.0V, 5.3V MCUs, 2.3V low voltage systems, 2.5V and 2.7V FPGAs, 1.8V ASICs, and USB/Firewire circuits. It is also ideal for LMDS, Gigabit Ethernet, WLAN and other communication systems.

The working principle of the MGJ1D151505MPC-R7 is based on the switching of an inductor between a high current section and a low current section to regulate the output voltage, with the relative out and in state currents being determined by a control circuit. This allows for efficient operation with high power delivery and minimized losses.

The MGJ1D151505MPC-R7 uses a high speed synchronous enhancement mode P-channel and pseudo- NMOS driver to switch the inductor on and off, with the control circuit modulating the frequency and on/off times of the switch so as to maintain the output voltage. To ensure the device will not overload, the control circuit quickly senses the current running through the inductor and limits it to a predetermined value.

The protection circuit in the MGJ1D151505MPC-R7 uses a temperature control system which shuts down the device in case of over-temperature. It also includes an input and an output voltage monitor to detect under- and over-voltage, and a current limit circuit that will shut down the device in case of over-current. All of these features provide excellent protection and reliability.

In conclusion, the MGJ1D151505MPC-R7 is an efficient and reliable DC/DC converter that offers adjustable output voltage and a range of protection features. It is designed to reduce noise in digital circuits and provides the required low ripple voltage and fast transient response, making it ideal for a range of applications such as LMDS, Gigabit Ethernet, WLAN, USB/Firewire circuits and other communication systems.

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