ISL6844IB

Power Supply Controllers, Monitors Overview

The ISL6844IB is an offline switcher controller manufactured by Intersil, designed for industrial power systems. It operates in a multi-topology configuration and is housed in an 8-SOIC (SOIC-8 Narrow) package. The device supports a supply voltage range of 15V to 18V and draws a supply current of 5.5 mA. It functions within a temperature range of -40°C to +105°C (TA). The component is classified as a power controller and monitor under the PMIC category.

Power Supply Controllers, Monitors Feature Summary

• Supports multiple topology configurations for versatile offline power conversion designs
• Integrated control logic for industrial power system applications
• Operates with standard supply voltage ranges suitable for offline converter stages

Power Supply Controllers, Monitors Applications

• Industrial power systems
• Offline AC-DC power conversion
• Multi-topology power supply designs

Power Supply Controllers, Monitors Procurement Notes

Verify component status carefully as the ISL6844IB is listed as obsolete or discontinued by the manufacturer Renesas Electronics Corporation. Sourcing may require checking secondary market distributors or alternative stock holders. Confirm exact packaging type and revision level against original design specifications before procurement to ensure compatibility.

Power Supply Controllers, Monitors Selection Notes

Select this component for legacy industrial power designs requiring multi-topology offline control. Ensure the design accommodates the 8-SOIC package dimensions and thermal requirements. Verify that the 15V to 18V supply range aligns with the auxiliary winding or startup circuit of the target power supply architecture.

Power Supply Controllers, Monitors Part Context

The ISL6844 belongs to a family of improved industry-standard single-ended controllers from Intersil, now part of Renesas Electronics. This series includes variants like the ISL6844IU and ISL6845, offering similar control functionalities across different package options such as MSOP and SOIC. The IB suffix specifically denotes the SOIC-8 narrow package variant.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is discontinued, engineers should consult official cross-reference guides from Renesas or evaluate modern equivalents from other manufacturers that support similar multi-topology offline control features.