S-8352C31UA-K6QT2U

Overview

The S-8352C31UA-K6QT2U is a step-up switching regulator controller manufactured by ABLIC Inc. It utilizes Pulse Frequency Modulation (PFM) for efficient power management with a fixed output voltage of 3.1 V. The device operates at a switching frequency of 100 kHz and features a low quiescent current of 23.2 uA. Designed for surface-mount installation, it is housed in an SOT-89-3 package. The component supports an input voltage range from 0.9 V to 10 V and functions reliably within an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates PFM control topology for optimized efficiency across varying load conditions
• Features ultra-low standby current consumption to extend battery life in portable applications
• Includes built-in enable function for precise power management control

Applications

• Battery-powered portable electronic devices requiring compact power solutions
• Consumer electronics utilizing single-cell lithium-ion or alkaline batteries
• Industrial equipment operating within standard commercial temperature ranges

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and thermal characteristics. Ensure that the selected packaging format matches your assembly requirements. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when a fixed 3.1 V output is required from a variable input source. Consider the SOT-89-3 package constraints regarding thermal dissipation and board space. Evaluate the 100 kHz switching frequency against external inductor size requirements and electromagnetic interference considerations for the specific application environment.

Part Context

This model belongs to the S-8352 series of boost switching regulators from ABLIC. The series is characterized by high integration and low power consumption, targeting applications where space and energy efficiency are critical. It complements other variants in the lineup offering different output voltages and package options.

Replacement Considerations

Check for S-8352 series variants with identical output voltage specifications. Verify package compatibility and electrical parameter alignment before substituting.