ISL6520IB

DC DC Switching Controllers Overview

The ISL6520IB is a synchronous PWM buck controller designed for single-output applications. It operates with a fixed switching frequency of 300 kHz and supports a maximum duty cycle of 100%. The device accepts a supply voltage range of 4.5V to 5.5V and delivers an output voltage adjustable from 0.8V to 5V. It provides phase control capabilities and includes a transistor driver stage. The component is housed in an 8-SOIC package and functions within a temperature range of -40°C to 85°C.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology with integrated phase control
• Fixed 300 kHz switching frequency operation
• Wide input voltage range supporting 4.5V to 5.5V supply

DC DC Switching Controllers Applications

• Single-output DC-DC conversion systems
• Voltage regulation for digital loads
• Embedded power management circuits

DC DC Switching Controllers Procurement Notes

Verify the obsolete status of this component before integration, as it is listed as discontinued by the manufacturer. Confirm availability through authorized distributors or secondary market channels if procurement is required. Ensure that any replacement strategy accounts for the end-of-life notification timeline and potential supply chain constraints associated with legacy parts.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring a simple synchronous buck solution with a fixed frequency. Consider the 8-SOIC package size for space-constrained layouts. Evaluate thermal performance within the specified operating temperature range. Verify compatibility with external MOSFETs for the 100% duty cycle requirement and ensure the output voltage range meets system load specifications.

DC DC Switching Controllers Part Context

This part belongs to the ISL6520 series of switching controllers from Renesas Electronics. It is specifically engineered for efficient power conversion in compact form factors. The series targets applications needing reliable voltage regulation with minimal external component count. The ISL6520IB variant represents a specific package and temperature grade configuration within this product line.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is marked as obsolete, engineers must identify equivalent devices based on electrical parameters such as switching frequency, package type, and control features. Consult manufacturer cross-reference tools for current alternatives.