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RT9055-CCWSC

RT9055-CCWSC Description

The RT9055-CCWSC is a high-performance linear voltage regulator designed by Richtek USA Inc., offering dual fixed-output voltage regulation with a maximum input voltage of 5.5V and an output current capacity of 300mA per regulator. This device is housed in a compact 6-WLCSP package, making it ideal for space-constrained applications. The regulator features a low dropout voltage of 0.55V at 300mA, ensuring efficient operation even at low input-to-output voltage differentials. With a quiescent current of only 58 µA, the RT9055-CCWSC is optimized for low-power applications, maintaining high efficiency across a wide range of operating conditions.

RT9055-CCWSC Features

• Dual Fixed-Output Voltage Regulators: Each regulator provides a fixed output voltage of 1.2V, making it suitable for applications requiring stable power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.55V at 300mA, the RT9055-CCWSC ensures efficient power conversion, even at low input voltages.
• Low Quiescent Current: The regulator operates with a quiescent current of 58 µA, minimizing power consumption and extending battery life in portable devices.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) ranging from 70dB to 38dB across frequencies from 100Hz to 300kHz, effectively filtering out noise from the input power supply.
• Protection Features: The RT9055-CCWSC includes over-current, over-temperature, and short-circuit protection, ensuring robust and reliable operation under various conditions.
• Enable Control: The regulator features an enable control pin, allowing for dynamic control of the output voltage, which can be useful for power sequencing and power-saving modes.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance. It is available in a surface-mount package, specifically in tape and reel format, facilitating automated assembly processes.

RT9055-CCWSC Applications

The RT9055-CCWSC is well-suited for a variety of applications where compact size, high efficiency, and reliable performance are critical. Key applications include:

• Portable Devices: Ideal for smartphones, tablets, and other portable electronics where space and power efficiency are paramount.
• Wearable Technology: Perfect for fitness trackers, smartwatches, and other wearable devices that require low power consumption and small form factors.
• IoT Devices: Suitable for Internet of Things (IoT) devices that need stable power supply and low power consumption to extend battery life.
• Medical Devices: Applicable in medical devices such as glucose meters and portable medical monitors, where reliability and low power consumption are essential.
• Industrial Sensors: Ideal for industrial sensors and control systems that require efficient power management and robust protection features.

Conclusion of RT9055-CCWSC

The RT9055-CCWSC from Richtek USA Inc. stands out as a versatile and efficient solution for dual fixed-output voltage regulation. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring stable and efficient power supply. The inclusion of advanced protection features and enable control further enhances its reliability and flexibility. With its compact 6-WLCSP package and surface-mount compatibility, the RT9055-CCWSC is well-suited for modern electronics where space and power efficiency are critical. Whether in portable devices, wearable technology, or industrial applications, the RT9055-CCWSC delivers reliable performance and significant advantages over similar models.