ST2S06A33PQR

PMIC - Voltage Regulators - DC DC Switching Regulators

The ST2S06A33PQR is a DC-DC switching regulator from STMicroelectronics. It is used for applications requiring high efficiency and low ripple noise in a small package. The ST2S06A33PQR provides a wide range of features, including low-noise PWM control with a switching frequency of up to 500kHz, adjustable voltage from 0.25V to 5.5V, overvoltage and undervoltage protection, and thermal protection. The ST2S06A33PQR is also capable of driving up to 2.5A output current with high efficiency over a wide operating temperature range.

Application Field

The ST2S06A33PQR is suitable for a wide range of voltage regulation applications, including portable and battery-powered devices, industrial equipment, telecommunications, and other high-performance applications. The device can be used to increase or decrease the input voltage, allowing it to be used in boost, buck, or buck-boost configuration. Furthermore, the wide range of features makes it ideal for multi-rail systems where multiple rails need to be accurately regulated.

Working Principle

The ST2S06A33PQR uses a switching PWM topology, in which the output voltage is regulated by modulating the duty cycle of the pulse-width modulation (PWM) signal. The output voltage is compared to a reference voltage, and the PWM signal is modulated to keep the output voltage within certain limits. The device features a high precision control loop with variable switching frequency, allowing for an optimized response to load and line variations. Furthermore, for applications requiring high efficiency, the ST2S06A33PQR supports a Burst Mode regulation, which reduces power consumption by operating at a reduced frequency when the load is light.

Conclusion

The ST2S06A33PQR is a high performance switching regulator from STMicroelectronics, designed for applications requiring high efficiency, low ripple noise, and small size. The device provides a wide range of features, making it suitable for a wide range of voltage regulation applications. It can operate in boost, buck, or buck-boost configuration, and employs a PWM control scheme with variable switching frequency to ensure accurate regulation of the output voltage. ST2S06A33PQR also supports a Burst Mode regulation for increased efficiency, making it a great choice for battery-powered applications.