S-8358B50MC-NRJT2G

Overview

The S-8358B50MC-NRJT2G is a step-up switching regulator controller from ABLIC, designed for efficient power management in compact electronic systems. It operates within an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 5.0V. The device utilizes a PWM/PFM hybrid control scheme to optimize efficiency across varying load conditions. Key electrical characteristics include a typical quiescent current of 25.9µA and a switching frequency of 600kHz. It supports a maximum duty cycle of 85% and functions reliably within an ambient temperature range of -40°C to +85°C.

Feature Summary

• Integrates a hybrid PWM/PFM control mechanism to maintain high conversion efficiency under both light and heavy load conditions.
• Features ultra-low standby current consumption to extend battery life in portable and energy-sensitive applications.
• Includes an enable pin for precise power management and system-level sleep mode control.

Applications

• Battery-powered portable electronics requiring efficient voltage boosting
• Mobile communication devices and handheld instruments
• Industrial sensor nodes and IoT modules

Procurement Notes

Verify the specific suffix NRJT2G against official ABLIC documentation to confirm tape-and-reel packaging and RoHS compliance status. Ensure compatibility with standard surface-mount assembly processes for SOT-23-5 packages. Cross-reference ordering codes with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a fixed 5.0V output is required from low-voltage sources within the 0.9V to 10V range. Consider the 600kHz switching frequency for balancing component size and electromagnetic interference. Evaluate thermal performance requirements based on the expected load current and ambient operating conditions.

Part Context

This part belongs to the S-8358 series of step-up switching regulator controllers. The series is characterized by high-withstand voltage CMOS technology, offering robust performance in power management applications. It shares architectural similarities with other members like the S-8357 and S-8356 series but differs in specific output voltage options and control features.

Replacement Considerations

Direct substitutes may include other S-8358 variants with different output voltages or package types. Verify functional equivalence regarding switching frequency and control logic before replacement.

FAQ

What is the switching frequency of the S-8358B50MC-NRJT2G?

The device operates at a fixed switching frequency of 600kHz.

Does the S-8358B50MC-NRJT2G support synchronous rectification?

No, the S-8358B50MC-NRJT2G does not feature synchronous rectification; it uses an external diode for the boost topology.