S-8358N33MC-O6ST2U

Overview

The S-8358N33MC-O6ST2U is a step-up switching regulator controller from ABLIC Inc., designed for efficient power management in compact electronic systems. It operates with an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 3.3V. The device features a low quiescent current of 25.9uA, enhancing energy efficiency during standby modes. It supports a switching frequency of 600kHz and includes PWM/PFM control modes for optimized performance across varying load conditions. Packaged in a SOT-23-5 surface-mount format, it functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates PWM/PFM hybrid control strategy for improved efficiency under light and heavy loads
• Supports wide input voltage range suitable for single-cell battery applications
• Features low quiescent current consumption to extend battery life in portable devices

Applications

• Portable consumer electronics requiring efficient step-up conversion
• Battery-powered IoT sensors and modules
• Mobile communication devices needing stable 3.3V supply rails

Procurement Notes

Verify component authenticity through authorized ABLIC distributors or verified channels. Confirm package marking matches S-8358N33MC-O6ST2U specifications. Check RoHS compliance status via official documentation. Ensure storage conditions adhere to moisture sensitivity level requirements. Validate supplier credentials against manufacturer lists before ordering.

Selection Notes

Choose this controller when fixed 3.3V output is required with minimal external components. Consider the 600kHz switching frequency for smaller passive component sizes. Evaluate thermal performance within the specified operating temperature range. Assess input voltage stability against the 0.9V minimum requirement. Compare quiescent current benefits against alternative controllers for battery-sensitive designs.

Part Context

Part of the S-8358 series boost converter controllers, offering integrated protection features and high-efficiency operation. Designed for space-constrained applications where small footprint and low power consumption are critical. Complements other PMIC solutions by providing reliable step-up regulation without complex external circuitry.

Replacement Considerations

S-8358F33MC-MKST2U offers similar functionality with comparable electrical characteristics. S-8358N33MC-O6ST2G provides equivalent performance with potential packaging variations. Verify pin compatibility and control interface alignment before substitution.