S-8358B53MC-NRMT2U

Overview

The S-8358B53MC-NRMT2U is a positive output step-up DC-DC switching controller IC manufactured by ABLIC Inc. It operates within an input voltage range of 0.9V to 10V and provides a fixed output voltage of 5.3V. The device utilizes a boost topology with a typical switching frequency of 100kHz and supports a maximum duty cycle of 90%. Designed for surface-mount installation, it is housed in a compact SOT-23-5 package. The component functions reliably across an ambient temperature range of -40°C to +85°C.

Feature Summary

• Integrates a boost converter controller optimized for low-power applications
• Features a wide input voltage operating range suitable for single-cell battery systems
• Provides a fixed regulated output voltage without requiring external feedback resistors

Applications

• Portable electronic devices requiring efficient voltage boosting from low-voltage sources
• Battery-powered equipment utilizing single-cell lithium-ion or alkaline batteries
• General-purpose power management circuits in consumer electronics

Procurement Notes

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

Selection Notes

Select this component when a fixed 5.3V output is required from inputs ranging between 0.9V and 10V. Ensure the application demands a non-synchronous boost topology compatible with the specified 100kHz switching frequency. Verify that the SOT-23-5 footprint aligns with the PCB layout constraints and thermal management strategy.

Part Context

This unit belongs to the S-8358 series of switching controllers from ABLIC Inc., designed for portable applications. The series offers various fixed output voltages and packaging options to support diverse power management needs in compact electronic designs.

Replacement Considerations

Consult official substitution lists for equivalent boost controllers with matching output voltages and pin configurations.