MC33680FTBR2

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MC33680FTBR2, is a high-side, cool-power MOSFET controller, which belongs to the voltage regulators, DC DC switching regulators. It can provide accurate control and protection of power sources operated at high switching frequencies.

Application Field

MC33680FTBR2 can be used in various applications, such as automotive and industrial power supplies. Automotive applications include vehicle reverse parking systems, multimedia systems, and cruise control systems. Industrial power supplies include medical power supplies, communication power supplies, industrial control power supplies, LED constant current LED drivers and LED lighting systems.

Working Principle

The MC33680FTBR2 utilizes a simple yet robust high side, cool-power MOSFET driver. The power MOSFET is driven by the high side as a function of a low side current sense. The integrated protection features guarantee safe operation and system protection. The power converter is also provided with an adjustable frequency synchronization feature allowing low- loss, communally synchronized switch mode power supplies.

The chip includes several features such as undervoltage lockout (UVLO), soft start, over temperature protection (OTP), current limit protection, short circuit protection (SCP), and overvoltage protection (OVP); which could be enabled and disabled through the chip’s on-chip registers.

The MC33680FTBR2 integrates a Logic Controlled Driver (LCD) which can be enabled by driving a logic signal. The test mode feature allows the chip to be used in a low-frequency test environment. This device is well adapted for a broad range of switching power supplies and power management applications.

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