S-8355Q18MC-OWDT2U

Overview

The S-8355Q18MC-OWDT2U is a step-up switching voltage regulator manufactured by ABLIC Inc. It operates with an input voltage range of 0.9V to 10V and provides a fixed output voltage of 1.8V. The device utilizes PWM control with a switching frequency of 600kHz and supports a maximum duty cycle of 85%. It features a low quiescent current of 25.9uA and includes an enable function for power management. The component is housed in a surface-mount SOT-23-5 package and is rated for operation between -40°C and +85°C.

Feature Summary

• Integrated step-up DC-DC controller designed for efficient voltage boosting applications
• Low quiescent current consumption optimized for battery-powered devices
• Built-in enable pin allows for precise power management and system shutdown control

Applications

• Portable consumer electronics requiring compact power solutions
• Battery-operated devices needing stable voltage regulation from single-cell sources
• Embedded systems utilizing microcontrollers or sensors with specific voltage requirements

Procurement Notes

Verify the exact part number suffix against official ABLIC documentation to ensure correct output voltage and package configuration. Confirm RoHS compliance status and manufacturing origin prior to ordering. Check lead times as production cycles may vary based on regional availability and demand fluctuations.

Selection Notes

Select this component when a fixed 1.8V output is required from a wide input voltage range. Ensure the application load current remains within the device's specified limits. Consider the 600kHz switching frequency for inductor selection and EMI management. Verify that the SOT-23-5 package fits the PCB layout constraints.

Part Context

This part belongs to the S-8355 series of switching regulators, which are designed for high-efficiency step-up conversion. The series offers various fixed output voltages to suit different digital logic levels. It is categorized under PMIC DC-DC Switching Controllers, targeting portable and industrial applications requiring reliable power management.

Replacement Considerations

Cross-reference with other S-8355 variants for different output voltages if 1.8V is not suitable. Check for compatible alternatives from other manufacturers offering similar boost controllers with comparable input ranges and package types.