S-8355M18MC-MCDT2G

Overview

The S-8355M18MC-MCDT2G is a step-up switching regulator controller manufactured by ABLIC Inc. It utilizes a high-withstand voltage CMOS process technology and operates in PWM/PFM modes to manage boost converter topologies. The device features a fixed output voltage of 1.8 V, an input voltage range of 0.9 V to 10 V, and a switching frequency of 600 kHz. It maintains a typical quiescent current of 25.9 uA and supports operation within a temperature range of -40°C to +85°C. The component is housed in a compact SOT-23-5 package.

Feature Summary

• Integrates PWM/PFM control for optimized efficiency across varying load conditions
• Utilizes high-withstand voltage CMOS process for robust performance
• Features low quiescent current consumption for extended battery life
• Includes enable function for precise power management control

Applications

• Battery-powered portable electronic devices
• Industrial sensor nodes requiring stable low-voltage supply
• Automotive infotainment subsystems
• IoT communication modules

Procurement Notes

Verify the specific suffix MCDT2G against official ABLIC documentation to confirm pinout compatibility and marking codes. Ensure the ordering quantity aligns with manufacturer reel specifications. Cross-reference the RoHS status and environmental compliance data directly from the datasheet before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 1.8 V output is required from a variable input source between 0.9 V and 10 V. The 600 kHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the SOT-23-5 package constraints for PCB layout and thermal management requirements in dense designs.

Part Context

This part belongs to the S-8355/56/57/58 series of step-up switching regulator controllers. These ICs are designed for applications requiring efficient voltage boosting from single-cell lithium-ion batteries or other low-voltage sources. The series emphasizes low current consumption and high reliability through advanced CMOS fabrication techniques.

Replacement Considerations

Direct substitutes include other parts within the S-8355 series with different output voltages or packages, such as S-8355N50MC-O7JT2U. Verify functional equivalence regarding switching frequency and control topology before substitution.