SG1524J-DESC

Overview

The SG1524J-DESC is a high-reliability voltage mode PWM controller manufactured by Microchip Technology. It operates within a supply voltage range of 8 V to 40 V and supports switching frequencies up to 300 kHz. The device features two outputs with a maximum duty cycle of 49%. Designed for robust industrial environments, it functions across an extended temperature range of -55°C to 125°C. Packaged in a 16-pin ceramic dual in-line package (CDIP), it supports flyback and push-pull topologies.

Feature Summary

• Voltage mode pulse width modulation control architecture
• High-reliability construction suitable for isolated switching regulators
• Dual output capability supporting multiple converter topologies

Applications

• Flyback power supply designs
• Push-pull converter circuits
• Industrial power management systems

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to ensure correct package type and environmental compliance. Confirm availability status directly with authorized distributors as stock levels fluctuate. Request current pricing and lead times from suppliers prior to finalizing procurement plans. Ensure the component meets all required RoHS specifications for the target application.

Selection Notes

Select this component for applications requiring high-reliability voltage mode control in harsh thermal environments. The 16-pin CDIP package offers durability for industrial settings. Verify that the 49% maximum duty cycle and 300 kHz frequency limits align with system requirements. Ensure compatibility with flyback or push-pull circuit architectures before integration.

Part Context

This part belongs to the SG1524 series of switching controllers under Microchip Technology's PMIC portfolio. It serves as a specialized variant designed for high-reliability isolated switching regulator applications. The component integrates essential control logic for managing DC-DC conversion processes in demanding operational conditions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.