S-8330A20FS-T2-G

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S-8330A20FS-T2-G is an integrated DC DC switching regulators, a member of the PMIC – Voltage Regulators family. It is capable of providing an efficient, stable, low-ripple output voltage from input sources of various voltages. This application field and its working principle are discussed in this article.

Overview

S-8330A20FS-T2-G integrates all of the control, protection, and other circuitry required to ensure a stable output voltage when powered by an input voltage ranging from 4.5 V to 24 V. This device utilizes advanced control techniques to provide a current-mode control with a very low output ripple (less than 20 mV) at up to 2 A (3 A Peak) output current with enhanced load and line regulation.

Application Field

S-8330A20FS-T2-G has a wide application field, including power supply design for mobile phones, digital cameras, digital audio equipment and other consumer electronic devices. It is also suitable for industrial applications, such as power supply design for industrial PCs and automation solutions.

Working Principle

S-8330A20FS-T2-G is a DC DC switching regulator, which operates on the principle of converting a DC power source of one voltage level to a DC power source of a different voltage level. This is accomplished by controlling the duty cycle of an integrated power switch to regulate the power supply\'s output voltage. The energy transfer from the input source to the output is controlled by a register setting, which dictates the maximum duty cycle of the power switch.

In order to ensure a stable output voltage in response to varying input conditions, it employs advanced control techniques such as Voltage Position Mode (VPM). VPM monitors the output voltage and adjusts the power switch duty cycle accordingly. It also monitors the output current and adjusts the PWM duty cycle to maintain a constant output current. Other features such as soft start, output overvoltage protection and output undervoltage protection are also integrated into this device.

Conclusion

S-8330A20FS-T2-G is an integrated DC DC switching regulator suitable for a wide variety of consumer and industrial applications. It utilizes advanced control techniques to provide a current-mode control with an extremely low output ripple and enhanced load and line regulation. This article has discussed its application fields and working principle in detail.

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