S-8358B40MC-NQZT2G

Overview

The S-8358B40MC-NQZT2G is a step-up switching controller manufactured by ABLIC Inc. It operates with a fixed output voltage of 4.0 V and utilizes SWR PWM/PFM control for efficiency. The device features a low quiescent current of 25.9 uA and supports an input voltage range from 0.9 V to 10 V. It functions within a temperature range of -40 C to +85 C and is housed in an SOT-23-5 package.

Feature Summary

• Implements SWR PWM/PFM hybrid control strategy
• Maintains ultra-low standby power consumption
• Provides stable regulated DC-DC conversion

Applications

• Battery-powered portable electronics
• Mobile communication devices
• Consumer handheld gadgets

Procurement Notes

Verify the specific suffix NQZT2G against official ABLIC documentation to confirm pinout compatibility and marking codes. Ensure that the ordering quantity aligns with manufacturer reel specifications. Cross-reference the datasheet revision history to validate current manufacturing status and any recent design changes before finalizing procurement.

Selection Notes

Select this component when a fixed 4.0 V output is required without external feedback resistors. The integrated control logic simplifies circuit design compared to adjustable regulators. Consider the 25.9 uA quiescent current for applications prioritizing extended battery life during standby modes.

Part Context

This part belongs to the S-8358 series of step-up switching controllers. The series is characterized by high integration and low power consumption, targeting applications where space and energy efficiency are critical constraints. It serves as a core power management solution for small form factor devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.