STMicroelectronics

ST619LBDR

ST619LBDR Description

The ST619LBDR is a fixed output voltage charge pump regulator designed by STMicroelectronics. This device is part of the Power Management Integrated Circuit (PMIC) category and offers a robust solution for applications requiring a stable 5V output with a maximum current of 30mA. The ST619LBDR operates within an input voltage range of 2V to 3.6V, making it suitable for low-voltage power supply systems. It features a switching frequency of 500kHz, ensuring efficient power conversion and minimal size for the external components.

The ST619LBDR is housed in an 8SOIC package and is available in a surface-mount configuration, making it ideal for compact PCB designs. Despite its small form factor, it delivers high performance and reliability. The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited shelf life under standard conditions.

ST619LBDR Features

• Fixed Output Voltage: The ST619LBDR provides a stable 5V output, ensuring consistent power delivery to connected devices.
• Low Input Voltage Range: With an input voltage range of 2V to 3.6V, this regulator is well-suited for applications with limited power sources.
• High Efficiency: The 500kHz switching frequency allows for efficient power conversion, reducing energy loss and improving overall system efficiency.
• Positive Output Configuration: The regulator delivers a positive output voltage, simplifying circuit design and integration.
• Single Output: The ST619LBDR is designed for applications requiring a single regulated output, reducing complexity and cost.
• Surface Mount Technology: The surface-mount package type ensures easy integration into modern PCB designs, enhancing flexibility and scalability.
• Environmental Compliance: The device is REACH unaffected and ROHS3 compliant, meeting global environmental regulations and ensuring safe usage.
• Unlimited Shelf Life: With an MSL of 1, the ST619LBDR can be stored indefinitely under standard conditions without degradation, providing logistical advantages.

ST619LBDR Applications

The ST619LBDR is ideal for a variety of applications where a stable 5V power supply is required. Some specific use cases include:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables can benefit from the ST619LBDR's low input voltage range and efficient power conversion.
• Industrial Equipment: Low-power sensors and control systems in industrial environments can utilize the ST619LBDR for reliable power regulation.
• Medical Devices: Portable medical devices, such as glucose meters and portable monitors, can leverage the ST619LBDR's compact size and efficiency to maintain stable power supply.
• Automotive Electronics: In-vehicle infotainment systems and electronic control units (ECUs) can benefit from the ST619LBDR's robust performance and environmental compliance.

Conclusion of ST619LBDR

The ST619LBDR from STMicroelectronics is a versatile and efficient charge pump regulator designed for applications requiring a stable 5V output. Its low input voltage range, high switching frequency, and compact surface-mount package make it an ideal choice for a wide range of consumer, industrial, medical, and automotive applications. The device's environmental compliance and unlimited shelf life further enhance its appeal in modern electronics design. Despite its obsolete status, the ST619LBDR remains a reliable option for power management needs, offering a balance of performance and cost-effectiveness.