S-8337ABDB-T8T1G

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S-8337ABDB-T8T1G Application Field and Working Principle

S-8337ABDB-T8T1G is an advanced device from ROHM\'s PMIC - Voltage Regulators - DC DC Switching Controllers family which integrates a high-side/ low-side switch, synchronous rectifier, current sensing circuit and digital control circuitry into a single-chip IC. It is suitable for controlling power delivery to various systems such as automotive, industrial and consumer applications.

Application Fields

S-8337ABDB-T8T1G can be used for a wide range of applications such as synchronous buck converter, forward converter, buck-boost converter, ECU boot supply and power supply for fuel pumps or water pumps in the automotive field, server’s memory voltage regulator and HDMI-driven DTV application in the industrial and consumer field. It also has adjustable slope compensation for stable operation and a hardware reset for improved system reliability. The device is robust, …

Working Principle

S-8337ABDB-T8T1G works based on the synchronous rectification principle. It is well suited for applications in which both input and output voltages swing in an alternating cycle. The device has a built-in high-side and low-side switch and synchronous rectifier that are synchronized by the digital control circuitry and regulated by the voltage regulator. The high-side and low-side switches score the current needed to drive both the load and the rectifier. By using the Digital Pulse Width Modulation (PWM), the device can control the duty cycles of the switches to obtain the required amount of current flow.

The Digital PWM control enables superior transient and dynamic switching performance for adaptive or automated control schemes. The constant on-time control employed by S-8337ABDB-T8T1G further improves stability. Built-in PMBus compatible circuitry helps to reduce system cost and development time. The device is stable, efficient and reliable and is also capable of monitoring its own temperature and providing voltage and current sense information.

Conclusion

S-8337ABDB-T8T1G is a highly advanced and efficient device from ROHM\'s PMIC - Voltage Regulators - DC DC Switching Controllers family. It offers superior transient and dynamic switching performance, enabling it to adapt to automated control schemes and improve system stability. Its built-in PMBus compatible circuitry facilitates the reduction of system cost and development time. With the ability to control power delivery to various applications, S-8337ABDB-T8T1G is a reliable, robust and efficient device for automotive, industrial and consumer applications.

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