SP7655ER-L/TR

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PMIC, or power management integrated circuits, play a pivotal role in providing, regulating, and controlling the power in a circuit. PMICs like the SP7655ER-L/TR are important voltage regulator components that help serve as the foundation of a power system. The SP7655ER-L/TR is a dc-dc switching regulator and, as such, has a wide range of application fields and difference working principles.

Application Fields & Use

The SP7655ER-L/TR dc-dc switching regulator has versatile applications for use in electronic devices. It provides a DC voltage output of 5.0V with up to 2.5A output current capability at disconnection from the associated application. This makes the SP7655ER-L/TR suitable for microprocessor core power, high-speed memory power, and other low power outputs. It may be used in low voltage FPGAs, LCDs, and other devices.

This regulator can also be used to power digital TV and set top box systems, as well as automotive displays and industrial instruments. Moreover, its −40℃ ~ +100℃ operating ambient temperature is suitable for multiple applications in an extended temperature range.

Features

The SP7655ER-L/TR dc-dc switching regulator offers several features that make it a versatile solution for many applications. Its extremely high efficiency, up to 95%, makes it suitable for most power applications. In addition, its input range of 4.5V to 18V and output range of 1.5V to 5.0V make it a highly adaptable product.

It also comes with a hysteretic control mode synchronized to the input voltage, which minimizes noise and improves control. Other features such as a power-on reset (POR), under voltage lockout (UVL), over voltage protection (OVP), frequency synchronization, and over temperature protection (OTP) make this product truly reliable.

Working Principle

The SP7655ER-L/TR dc-dc switching regulator utilizes a synchronous rectified Buck topology that automatically switches between two states: high-side and low-side. This helps to manage and regulate the power in the circuit. The internal oscillator in the device triggers switching transitions when the voltage is at a specified level. This ensures that the output voltage is always in the desired range.

Moreover, the regulated PWM output is generated based on the input voltage and feedback voltage. This helps minimize output ripple and ensure long life operation. Additionally, the SP7655ER-L/TR also uses internal feedback compensation to provide accurate voltage output without the use of external components.

Conclusion

In conclusion, the SP7655ER-L/TR dc-dc switching regulator is a robust PMIC solution with a wide range of applications. It offers a high efficiency up to 95% and a wide input/output range, making it suitable for various applications. Its hysteretic control mode, frequency synchronization, POR/UVL/OVL/OTP protections, and synchronous rectified Buck topology also make it an reliable and efficient choice. In short, the SP7655ER-L/TR is an ideal dc-dc switching regulator solution for many applications.

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