SG1525AJ-DESC

Overview

The SG1525AJ-DESC is a voltage mode PWM controller manufactured by Microchip Technology. It operates within an oscillator frequency range of 100Hz to 500kHz and provides dual sink/source outputs with a 400mA drive capability. The device is housed in a 16-pin CDIP package, suitable for through-hole mounting. It supports buck, boost, and Cuk converter topologies, functioning as a switching controller for DC-DC applications.

Feature Summary

• Voltage mode control architecture with dual sink/source output drivers
• Adjustable oscillator frequency ranging from 100Hz to 500kHz
• Supports multiple converter topologies including buck, boost, and Cuk configurations

Applications

• DC-DC switching controller ICs
• Buck converter designs
• Boost converter designs
• Cuk converter implementations

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and temperature grade. Confirm that the SG1525AJ-DESC designation aligns with the required 16-pin CDIP tube packaging. Cross-reference the datasheet revision to validate electrical characteristics before integration into production systems.

Selection Notes

Select this component when a voltage mode PWM controller with dual outputs is required for non-isolated power supplies. Ensure the application demands an oscillator frequency between 100Hz and 500kHz. Verify that the 400mA output drive current meets the gate charge requirements of the external switching devices in the target circuit design.

Part Context

This part belongs to the SG1525 family of regulating pulse width modulators. It is produced by Microchip Technology, formerly Microsemi Analog Mixed Signal Group. The device serves as a foundational control IC for various power supply architectures, offering robust performance in industrial and commercial power management applications.

Replacement Considerations

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