S-8355Q45MC-OXET2G

Overview

The S-8355Q45MC-OXET2G is a CMOS step-up switching regulator controller from the S-8355/56/57/58 series by ABLIC Inc. It operates with a supply voltage range of 0.9V to 10V and features a fixed switching frequency of 600kHz. The device supports a maximum duty cycle of 85% and provides a positive output configuration via a transistor driver. It is housed in an SC-74A (SOT-753) package, suitable for surface-mount installation, and functions within a temperature range of -40°C to 85°C.

Feature Summary

• CMOS-based step-up switching regulator controller architecture
• Wide operating supply voltage range supporting low-voltage applications
• Fixed high-frequency switching operation for compact external component sizing
• Positive output configuration with integrated oscillator circuit

Applications

• Portable battery-powered devices requiring step-up voltage conversion
• Low-voltage systems needing regulated higher output voltages
• Space-constrained electronics utilizing small surface-mount packages

Procurement Notes

Verify the specific suffix OXET2G against official ABLIC documentation to confirm packaging type and marking codes. Ensure compatibility with the required input voltage range and thermal management for the SOT-753 package. Cross-reference the RoHS status and environmental compliance statements directly from the manufacturer's datasheet before procurement.

Selection Notes

Select this controller when a fixed 600kHz frequency and 85% maximum duty cycle are required for boost applications. Consider the 0.9V minimum start-up voltage for low-power sources. Verify that the SOT-753 package dimensions fit the PCB layout constraints and that the operating temperature range meets the system's environmental requirements.

Part Context

This component belongs to the S-8355/56/57/58 series of CMOS step-up switching regulators. These controllers integrate reference voltage sources and oscillation circuits to manage power conversion efficiently. The series is designed for analog semiconductor applications requiring precise control and low power consumption in portable electronic devices.

Replacement Considerations

Consult the official S-8355/56/57/58 series datasheet for confirmed substitute part numbers. Verify pinout compatibility and electrical specifications such as switching frequency and duty cycle limits before substituting.