MP2276GD-Z

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The MP2276GD-Z, a DC-DC Switching Voltage Regulator, is a versatile and reliable power converter used to provide a clean, reliable source of power to a variety of devices. It is designed to convert a single input power source — such as a Li-ion battery or DC power — into two regulated outputs, as well as providing monitoring for over temperature and over voltage conditions. By utilizing advanced techniques, the MP2276GD-Z is capable of delivering up to 2.2A at 3.3V from a 5V input, with a high efficiency and low ripple.

The MP2276GD-Z is part of the MP2200 series of 8-pin PWM Switching Voltage Regulators from the company MPS. It was designed to meet the requirements of demanding mobile device applications, such as smartphones, tablets and others. The device is capable of operating with an input voltage of minimum 2.7V and maximum 5.5V, and its maximum output power is up to 7.5W.

The MP2276GD-Z is used in a wide range of applications, such as charging Li-ion batteries, powering image sensors and driving LEDs. It is also used in automotive and industrial applications, where it offers high efficiency, low EMI and low heat. Moreover, its low quiescent current makes it ideal for multiple-rail applications that require extended battery life.

The MP2276GD-Z utilizes a Using a Constant On-Time (COT) Control Scheme which is efficient and allows for fast transient response. This control scheme is also known as an On-Time Modulation Control or Direct Digital Control, and is essentially a fast switching regulator. In DC-DC converters, the switching regulator works by producing a high frequency pulse width modulation (PWM) signal for regulating the current or voltage with minimal changes in output. This principle helps to reduce power dissipation, as well as to reduce the size and cost of the converter.

During operation, the MP2276GD-Z takes an input voltage, rapidly switches it on and off, and then feeds through a coil to produce an output voltage. During the rising edge of the pulse, the voltage across the coil builds up as current is fed through it and as a result, a higher output voltage is produced. This output voltage is then regulated by adjusting the duration of the pulse. As a result, the output voltage is kept in check and a steady voltage is maintained.

Furthermore, the MP2276GD-Z has an adjustable oscillator frequency which allows the user to optimize efficiency and noise levels. The device can switch between PWM and PFM (power factor modulation) modes to optimize the efficiency depending on the load. It also has a low standby operating current (< 200uA) for multiple-rail applications and is able to support up to 7 Amps with appropriate external components.

The MP2276GD-Z is highly versatile and can be used in many different applications. It is suitable for use in smartphones and other mobile devices, as well as automotive, industrial and consumer applications. Thanks to its advanced control scheme, it is able to provide a clean, reliable and efficient source of power, making it a widely used switch voltage regulator.

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