MBC250-1012G

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AC and DC converters are used in a range of applications including industrial control, power system design, and motor drives. AC DC Converters offer the ability to convert AC line power to an adjustable DC source or to reduce the input power supply voltage to a level suitable for electronic and control applications. The MBC250-1012G AC DC Converter is one such product that has been specifically designed to facilitate this AC to DC conversion.

The MBC250-1012G DC converter is a two-phase hysteresis current mode DC-DC buck regulator. It features a high efficiency synchronous rectifier and a control loop with a current mode PWM switch providing for complete protection against output short circuit and overload. It is fully integrated with an internal operating frequency of 500KHz and provides a regulated output voltage from 0.75V to 2.25V.

The MBC250-1012G has a wide range of applications. Designed specifically with low noise in mind, this converter is well suited for use in LCD displays and other sensitive low noise environments. Its wide input and output range makes it useful for use in modern communication devices. For example, it can be also be used as a power supply for 802.11g wireless LAN networks or other VoIP applications as well as automotive and industrial control systems.

The working principle of the MBC250-1012G converter involves the use of a PWM current mode control topology to regulate the output voltage. When the input voltage is applied, the converter activates the PWM switch to drive the output voltage to the desired value. The power MOSFET switch is modulated based on a signal generated from a hysteresis current mode controller. The voltage is sensed and used to regulate the input current, thus maintaining the desired output voltage. When the output current increases beyond the rated level, the converter current mode controller reduces the on-time of the MOSFET to limit the output current. This current mode control topology ensures fast dynamic response.

In summary, the MBC250-1012G AC-DC Converter offers a high efficiency and high power density, making it suitable for a variety of applications. Its current mode controller can quickly respond to voltage and current variations and can protect against output short circuit and overload. Additionally, its wide operating range and low noise performance make it ideal for use in sensitive environment. Its features include a synchronous rectifier, current mode control, and a wide input and output range.

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