L6731DTR

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The L6731DTR is a two-phase voltage regulator integrated circuit (IC) designed by STMicroelectronics. This device is designed to provide highly reliable, efficient and cost-effective voltage regulation in commonplace, low power applications. It has a standard pin configuration and it is used as a voltage regulator integrated circuit (IC) in a wide range of applications such as computer motherboards, portable electronics and general-purpose voltage regulators.

The L6731DTR has two power factor correction phases capable of supplying up to +12V output and a -12V output. These two phases are coordinated with a regulated clock signal and a digital power converter, allowing for a synchronous rectification system and higher efficiency. The L6731DTR also includes a DC-DC timing circuit that ensure better load and temperature measurements, as well as a free running oscillator (phase jitter control).

The L6731DTR is also able to provide output voltages of up to 600MV, with less of the usual output ripple due to its stability capabilities. In addition, the device can deliver up to 4A of continuous output current, with a voltage regulation accuracy of 2%. The L6731DTR is built on STMicroelectronics\' BiCMOS technology and includes protection features such as over-current protection, over-voltage protection, and soft-start capability.

The operating principle of the L6731DTR is based on the use of a synchronous rectifier system. In this system, a controller, in the form of a DC-DC timing circuit, is used to measure the output voltage, temperature and current. This information is then fed back to the regulator, which uses this information to adjust the output voltage, as well as the frequency of the clock signal. This ensures that the output voltage is always kept at the desired level and any disturbances in the supply will not affect the output voltage.

The L6731DTR is a special purpose voltage regulator IC which can be used in a variety of applications. Its efficient, reliable and easy to use design makes it an ideal choice for powering portable and desktop electronics, computer motherboards and general purpose voltage regulators. Furthermore, its two-phase Power Factor Correction, wide operating range and integrated protection features make it a robust and feature-rich power supply IC.

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