Renesas Electronics Corporation

ISL6520BCB  

DC DC Switching Controllers

ISL6520BCB Description

The ISL6520BCB is a highly integrated buck regulator controller designed for high-efficiency power conversion in a wide range of applications. Manufactured by Renesas Electronics Corporation, this device is part of the Power Management (PMIC) category and is housed in an 8SOIC package. It features a transistor driver output type with a positive output configuration, making it suitable for driving external MOSFETs in a buck topology. The ISL6520BCB operates within a supply voltage range of 4.5V to 5.5V and supports a switching frequency of up to 300kHz, ensuring efficient power delivery.

ISL6520BCB Features

• Output Type and Configuration: The ISL6520BCB is designed as a transistor driver with a positive output configuration, ideal for driving external MOSFETs in a buck topology.
• Switching Frequency: Capable of operating at a switching frequency of 300kHz, this controller ensures efficient power conversion and reduced component size.
• Supply Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of power supply applications.
• Control Features: The ISL6520BCB includes enable and phase control features, providing flexibility in system design and operation.
• Duty Cycle: With a maximum duty cycle of 100%, the controller can achieve high efficiency and low dropout voltage.
• Synchronous Rectification: The inclusion of synchronous rectification enhances efficiency and reduces power loss.
• Operating Temperature: The ISL6520BCB is designed to operate within an ambient temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions.
• Moisture Sensitivity Level (MSL): The device has an MSL rating of 1 (unlimited), making it suitable for surface mount applications without additional moisture protection.
• REACH Compliance: The ISL6520BCB is REACH unaffected, ensuring compliance with environmental and safety regulations.
• ECCN Classification: Classified under ECCN EAR99, this device is not subject to strict export controls, facilitating international use.

ISL6520BCB Applications

The ISL6520BCB is well-suited for a variety of applications requiring efficient power conversion and control. Key applications include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and laptops where high efficiency and compact design are crucial.
• Industrial Systems: Suitable for industrial control systems and embedded applications where reliable power management is essential.
• Networking Equipment: Applicable in networking devices such as routers and switches, where efficient power delivery and low heat generation are important.
• Telecommunications: Used in base stations and other telecom equipment where high efficiency and low power consumption are required.

Conclusion of ISL6520BCB

The ISL6520BCB is a versatile and efficient buck regulator controller that offers a range of features and benefits for power management applications. Its high switching frequency, synchronous rectification, and flexible control features make it an excellent choice for designers seeking to optimize power delivery and efficiency. While the product is now obsolete, it remains a valuable reference for understanding the capabilities and design considerations of high-performance power management solutions.

ISL6520BCB Documents

Download datasheets and manufacturer documentation for ISL6520BCB