S-8357F33MC-MGST2U

Overview

The S-8357F33MC-MGST2U is a step-up switching controller manufactured by ABLIC Inc., designed for efficient voltage conversion in compact electronic systems. Operating with a fixed output voltage of 3.3 V, this component delivers an output current capability of 38.5 mA while maintaining a high accuracy of 2.4%. It functions at a switching frequency of 300 kHz and supports a maximum duty cycle of 78%. The device operates within a temperature range of -40°C to +85°C and is housed in a space-saving SOT-23-5 surface-mount package.

Feature Summary

• Integrated boost topology for efficient step-up voltage regulation
• High precision output voltage stability with minimal deviation
• Compact surface-mount design suitable for dense PCB layouts

Applications

• Portable battery-powered consumer electronics
• Low-power embedded control systems
• Voltage boosting for single-cell lithium-ion applications

Procurement Notes

Verify the complete part number including the suffix MGST2U to ensure correct packaging and tape specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference the Mouser number 628-8357F33MC-G for accurate distributor identification. Ensure input voltage requirements align with the controller's operational limits before finalizing procurement orders.

Selection Notes

Select this component when a stable 3.3 V output is required from a lower input source with moderate current demands. The 300 kHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify that the 38.5 mA output current meets the load requirements. Consider the SOT-23-5 package constraints for thermal management and board space availability during the design phase.

Part Context

This part belongs to the S-8357 series of switching controllers from ABLIC Inc., which focuses on power management integrated circuits. The series offers various output voltage options tailored for different application needs. As a dedicated controller, it requires external switching elements to function, providing flexibility in system design while maintaining high efficiency and reliability standards across industrial and commercial environments.

Replacement Considerations

Consult official ABLIC documentation for verified substitute part numbers within the S-8357 family. Ensure any replacement maintains identical output voltage, current capacity, and package dimensions. Verify compatibility with existing circuit designs before transitioning to alternative components.