MAX753CSE+T

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The MAX753CSE+T is an integrated circuit that combines a precision current-sensing PWM ballast controller, level shifter and additional features to provide an ideal solution for fluorescent lighting. It is suitable for applications such as Compact Fluorescent Lamp (CFL) and high-pressure sodium (HPS) ballasts, and is the ideal choice for many lighting design applications. The device is fully configurable, and is easy to use, efficient, and cost effective.

The MAX753CSE+T consists of a precision current-sensing PWM controller designed to drive a high power MOSFET in order to control the current into a high-frequency HID ballast. It also includes a level shifter that accommodates the wide range of drive signal voltage levels that are required to control the power MOSFETs. This device also has the ability to incorporate a safety disconnect circuit so that when the line voltage is removed, the power to the ballast is removed.

The MAX753CSE+T integrates all of these features into a single IC, which greatly simplifies the design process. In addition, the current sensing PWM controller provides additional features such as over-voltage and over-current protection. These features allow the device to operate in a variety of lighting environments without the need for external circuitry.

The current sensing PWM controller operates by detecting the current that is flowing through the ballast and then changing the frequency of the drive signal, to drive the power MOSFET, in order to adjust the current into the ballast. This allows the IC to precisely control the amount of current into the ballast, making it an ideal solution for dimming applications.

The level shifter can accommodate a wide range of drive signal voltage levels. This is important in applications such as fluorescent lighting and high-pressure sodium ballasts, where minimum and maximum drive signal voltage levels can vary significantly. The level shifter provides the ability to shift the signal voltage levels to the desired level, ensuring optimum performance of the device.

The MAX753CSE+T also provides a safety disconnect circuit, allowing the power to the ballast to be disconnected if the line voltage is removed, ensuring safe operation of the ballast. This is an important feature, particularly in applications where the lamp is expected to be exposed to a wide range of line voltages.

In addition, the device also includes an integrated timer to provide over-voltage and over-current protection. This ensures that the power MOSFET is turned off in the event of an over-current or over-voltage condition, preventing any damage to the ballast.

The MAX753CSE+T is the ideal choice for many lighting application designs. It provides a cost effective and reliable solution for designing HID ballast controllers for applications such as Compact Fluorescent Lamps and high-pressure sodium ballasts. It is easy to use, efficient, and provides protection against over-voltage and over-current conditions.

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