SG1525AL-883B

Overview

The SG1525AL-883B is a high-reliability voltage mode pulse width modulator manufactured by Microchip Technology. It features an isolated design with a trimmed +5.1 V reference voltage accurate to ±1%. The device operates within a supply current of 14 mA and supports a switching frequency range from 100 Hz to 300 kHz. It provides dual outputs with a maximum duty cycle of 49% and includes shutdown functionality. The component utilizes a CLCC-20 package, ensuring robust performance in demanding environments.

Feature Summary

• High-reliability isolated voltage mode PWM controller
• Precision trimmed +5.1 V reference voltage with ±1% accuracy
• Dual output capability with integrated shutdown function

Applications

• Military and aerospace power systems
• High-reliability industrial power supplies
• Avionics equipment requiring isolated regulation

Procurement Notes

Verify the specific ordering suffix and manufacturer documentation to confirm compliance with required reliability standards. Ensure that the selected variant matches the necessary isolation and precision specifications for the intended application environment before finalizing procurement.

Selection Notes

Select this component when high-reliability isolated voltage mode control is required. Consider the CLCC-20 package constraints and the specific need for a precise +5.1 V internal reference. Evaluate the operating temperature range and switching frequency requirements against the device's specified limits.

Part Context

This part belongs to the SG1525A/1527A series of high-reliability switching regulators. It serves as a specialized solution for applications where standard commercial components do not meet strict environmental or longevity requirements, offering enhanced stability and precision compared to general-purpose alternatives.

Replacement Considerations

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