S-8358B60MC-NRTT2U

Overview

The S-8358B60MC-NRTT2U is a step-up switching controller from ABLIC Inc., designed for positive output boost DC-DC conversion. It operates within an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 6.0V. The device supports a maximum output current of 282mA with a switching frequency of 250kHz. It features a low quiescent current of 43µA and maintains operation across a temperature range of -40°C to +85°C. Packaged in a compact SOT-23-5 surface-mount format, it integrates PWM/PFM control for efficient power management.

Feature Summary

• Integrates SWR (Standing Wave Ratio) management capabilities alongside standard PWM/PFM control modes for enhanced stability.
• Supports wide input voltage ranges suitable for single-cell battery applications and general step-up conversion needs.
• Utilizes a compact SOT-23-5 package to minimize board space consumption while maintaining thermal performance.

Applications

• Portable electronic devices requiring efficient step-up power regulation
• Battery-powered systems utilizing single-cell lithium-ion or lithium-polymer sources
• General-purpose DC-DC conversion in compact consumer electronics

Procurement Notes

Verify the specific suffix NRTT2U against official ABLIC documentation to confirm tape-and-reel packaging and marking codes. Ensure compatibility with existing PCB footprints for SOT-23-5 packages. Cross-reference electrical parameters such as output voltage tolerance and quiescent current with the latest datasheet revisions to guarantee design integrity.

Selection Notes

Select this component when a fixed 6.0V output is required from variable input sources between 0.9V and 10V. Consider its 282mA output capability and 250kHz switching frequency for applications prioritizing efficiency and size over ultra-low noise. Evaluate the 43µA quiescent current against standby power requirements to ensure optimal battery life in portable designs.

Part Context

Part of the S-8358 series, which offers various fixed output voltages and current ratings. This series is characterized by high efficiency and low standby current, targeting mobile and battery-operated equipment. The S-8358B60MC-NRTT2U specifically addresses applications needing a stable 6.0V rail from lower input voltages.

Replacement Considerations

Check for other S-8358 variants with different output voltages if system requirements change. Verify pin-to-pin compatibility with alternative boost controllers from ABLIC or other manufacturers, ensuring input/output voltage ranges and package dimensions match the existing design constraints.