LMR16030SDDAR Integrated Circuits (ICs)

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PMIC - Voltage Regulators - DC DC Switching Regulators is the application field of the LMR16030SDDAR. This voltage regulator is a synchronous buck regulator which integrates dual channels of at least two buck channels. The synchronous buck regulator is compatible with low RDS(ON) MOSFET switches, resulting in higher efficiency and extremely fast transient response. It supports both voltage mode and current mode control, with current mode providing better line and load transient responses.

The LMR16030SDDAR is a fully integrated, monolithic, low-dropout voltage regulator for synchronous buck applications. It is ideal for powering microprocessors, FPGAs, ASICs, and other high-performance components that require accurate voltage rail regulation. It is compatible with the input voltage range of 4.5 V to 14 V and provides output voltage up to 3.3 V, with a maximum output current of 3.5 A.

The LMR16030SDDAR has multiple protection features such as input UVLO monitoring and switching protection, output current limiting, cycle-by-cycle current limiting, output over-voltage protection, and thermal shutdown. The device can be synchronized up to 1MHz and has a PWM frequency dithering feature.

Working principle of the LMR16030SDDAR is the same as other synchronous buck regulators. The device acts as a switch that transitions between the on and off states to control the voltage applied to the output. When the input voltage applied to the device\'s terminals increases, the device turns on the switch to provide power to the output voltage. When the device senses that the output voltage exceeds the required voltage, the device will turn off the switch and shut off power from the output.

The on and off states are regulated through two different control signals - the enable signal and the driver enable signal. The enable signal is used to turn on and off the switch while the driver enable signal is used to set the switching frequency. The LMR16030SDDAR also incorporates protection features to ensure safe operation such as input under-voltage lockout and output over-current protection.

The LMR16030SDDAR is an ideal replacement for traditional linear regulators and offers higher efficiency, accurate voltage regulation, and improved switching performance. It is suitable for a wide range of applications such as system level power management, industrial, automotive and communications.

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