S-8358H32MC-NURT2G

Overview

The S-8358H32MC-NURT2G is a step-up switching regulator controller manufactured by ABLIC Inc. It operates within an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 3.2V. The device utilizes a combined PWM/PFM control scheme to optimize efficiency across varying load conditions, achieving a typical quiescent current of 25.9uA. It supports a switching frequency of 600kHz with a maximum duty cycle of 85%. Designed for surface-mount installation in a compact SOT-23-5 package, it functions reliably across an extended temperature range from -40°C to +85°C.

Feature Summary

• Integrates hybrid PWM/PFM control architecture to maintain high conversion efficiency under both light and heavy load conditions.
• Achieves ultra-low standby power consumption through minimized internal quiescent current draw during operation.
• Provides stable regulated output via fixed internal reference voltage without requiring external feedback resistors.

Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Low-power sensor nodes in IoT applications
• Mobile communication equipment power management systems

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct output voltage and package configuration. Confirm RoHS compliance status and environmental declarations prior to integration. Cross-reference datasheet specifications with application requirements to validate thermal performance and electrical limits.

Selection Notes

Select this component when a fixed 3.2V boost output is required from low-voltage sources. Ensure the input supply remains within the specified operational range. Evaluate the 600kHz switching frequency against EMI constraints and inductor selection requirements for the target design.

Part Context

This controller belongs to the S-8358 series of step-up switching regulators designed for space-constrained applications. The series emphasizes miniaturization and energy efficiency, utilizing advanced CMOS processes to reduce active and standby currents while maintaining robust performance in portable electronics.

Replacement Considerations

Compatible alternatives within the same family include variants with different fixed output voltages or package options. Verify pin compatibility and electrical parameter alignment before substitution.