S-8358B50MA-NRJT2G

Overview

The S-8358B50MA-NRJT2G is a step-up switching regulator controller from ABLIC, designed for efficient DC-DC conversion. It operates within an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 5.0V. The device features a typical quiescent current of 25.9µA and supports a switching frequency of 600kHz with a maximum duty cycle of 85%. Packaged in a compact SOT-23-5 format, it functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates PWM/PFM hybrid control for optimized efficiency across varying load conditions
• Provides precise fixed output voltage regulation without external feedback resistors
• Features ultra-low quiescent current consumption for extended battery life in portable applications

Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Industrial equipment utilizing single-cell lithium-ion or lithium-polymer batteries
• IoT sensors and modules needing stable power supply from low-voltage sources

Procurement Notes

Verify the specific suffix NRJT2G against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with required operating temperatures and input voltage ranges for your design. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by your manufacturing standards.

Selection Notes

Choose this component when a fixed 5V output is required from a 0.9V to 10V input source. It is suitable for designs prioritizing low standby current and compact footprint. Consider external inductor selection based on the 600kHz switching frequency. Evaluate thermal performance within the SOT-23-5 package constraints for high-load scenarios.

Part Context

This IC belongs to the S-8358 series of step-up switching regulators. The series is characterized by high efficiency and low quiescent current, targeting applications where power conservation is critical. It complements other PMIC offerings by providing simple, cost-effective voltage boosting solutions for consumer and industrial electronics.

Replacement Considerations

Check for direct substitutes within the S-8358 family offering different output voltages or packages. Verify pinout compatibility before replacing with similar controllers from other manufacturers. Ensure electrical parameters such as switching frequency and quiescent current meet original design requirements.