Intersil

ISL6520IR-T

ISL6520IR-T Description

The ISL6520IR-T is a switching controller designed for power management applications, specifically tailored for use in Buck topology configurations. Manufactured by Intersil, this component is categorized under Power Management Integrated Circuits (PMIC). It features a transistor driver output type with a positive output configuration, making it suitable for driving external MOSFETs in a wide range of power conversion applications. The ISL6520IR-T operates within a supply voltage range of 4.5V to 5.5V and supports a switching frequency of 300kHz, ensuring efficient power conversion. The controller includes a synchronous rectifier, enhancing efficiency and reducing power loss. Despite its obsolescence, the ISL6520IR-T remains a reliable choice for specific legacy systems and applications where its unique features are still advantageous.

ISL6520IR-T Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Product Status: Obsolete
• Frequency - Switching: 300kHz
• Manufacturer: Intersil
• Voltage - Supply (Vcc/Vdd): .45V to 5.5V
• Synchronous Rectifier: Yes
• ECCN: EAR99
• Topology: Buck
• Mounting Type: Surface Mount
• Clock Sync: No
• Number of Outputs:
  1- Control Features: Phase Control
• Duty Cycle (Max): 100%
• Output Phases: 1
• SHTUS: 8542.39.0001
• Package: Bulk
• Base Product Number: ISL6520

The ISL6520IR-T stands out due to its synchronous rectification feature, which significantly improves efficiency by reducing conduction losses. Its ability to operate a at maximum duty cycle of 100% allows for a wide range of input-to-output voltage ratios, making it versatile for various power conversion needs. The phase control feature enables precise regulation of the output voltage, ensuring stable performance across different load conditions.

ISL6520IR-T Applications

The ISL6520IR-T is ideal for applications requiring efficient power conversion in compact form factors. Its surface mount design allows for easy integration into space-constrained systems. Some specific use cases include:

• Power Supplies: Ideal for compact, high-efficiency power supplies in consumer electronics and industrial equipment.
• Point-of-Load Converters: Suitable for point-of-load applications where space and efficiency are critical.
• Embedded Systems: Perfect for embedded systems requiring reliable power management with minimal footprint.
• Telecommunications: Can be used in telecom infrastructure for efficient power distribution.

Conclusion of ISL6520IR-T

The ISL6520IR-T, despite being, obsolete continues to offer significant advantages in specific applications due to its unique features such as synchronous rectification and phase control. Its ability to operate efficiently at a high switching frequency of 300kHz and within a specific supply voltage range makes it a reliable choice for legacy systems and specialized power management needs. For engineers and designers working with existing systems or requiring specific power conversion capabilities, the ISL6520IR-T remains a viable option.