S-1701A3330-M5T1G

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S-1701A3330-M5T1G is a synchronous step-down current mode controller. It combines two processes in a single controller by enabling the constant frequency current mode and valley current mode control. This allows a wide range of inductor-based DC/DC converters to be efficiently implemented.

Application Field & Working Principle

The S-1701A3330-M5T1G can be used in a wide range of applications. These include point-of-load regulation in multiple output systems, power supply regulation for FPGA, GPU, and network systems, and high-efficiency system power supply regulation. It can also be used in high-current, synchronous buck voltage conversion applications, such as VRMs and processor core voltages. The S-1701A3330-M5T1G is fully compliant with the Intel VR11 specification for driverless direct processor core voltage regulation.

The integrated switching circuitry of the S-1701A3330-M5T1G can operate at frequencies up to 1MHz and contains a oscillator and a pulsewidth modulation (PWM) comparison circuit with an adjustable frame synchronization function. An adjustable valley-current-mode and fixed frequency current-mode feature can also be enabled. The device operates in either one of the two modes and each offers different features.

The fixed frequency current mode and valley current mode control both provide excellent load and line responses, with a 0.75V reference voltage and a 1.5V current limit. These features make the S-1701A3330-M5T1G suitable for a wide range of applications, including very low output ripple. It is also able to monitor and separately regulate output line voltages, which makes it very suitable for point of load regulation or multiple output systems.

The S-1701A3330-M5T1G also offers various protection features, such as under-voltage lockout, over-current protection, over-temperature protection, and power-good indicator function. These features enable the device to display a wide dynamic range from light load to heavy load without sacrificing efficiency, allowing the device to be safely operated within its specified operating range. All of these features make the S-1701A3330-M5T1G a very suitable device for a variety of applications.

In summary, the S-1701A3330-M5T1G synchronous step-down current mode controller is an excellent device for a variety of applications that require point-of-load regulation, power supply regulation for FPGA, GPU, and network systems, and high-efficiency system power supply regulation. It is compliant with Intel VR11 specification, operates at a wide frequency range, monitors output line voltages, and provides various protections. This makes it an ideal choice for a wide range of applications.

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