S-8352A47MC-K3GT2U

Overview

The S-8352A47MC-K3GT2U is a step-up DC-DC switching controller manufactured by ABLIC Inc. It operates within an input voltage range of 0.9V to 10V and delivers a fixed output voltage of 4.7V. The device utilizes PFM modulation with a switching frequency of 100kHz. It features a low quiescent current of 23.2uA and supports a maximum duty cycle of 80%. Packaged in a compact SOT-23-5 format, it is designed for efficient power management in space-constrained applications.

Feature Summary

• Step-up topology for voltage conversion
• Fixed 4.7V output configuration
• Low quiescent current operation
• Compact surface-mount packaging

Applications

• Portable electronic devices
• Battery-powered systems
• Space-constrained circuit designs
• Efficient power management modules

Procurement Notes

Verify the exact part number against official ABLIC documentation to ensure compatibility with system requirements. Confirm that the SOT-23-5 package aligns with PCB layout specifications. Check for any specific ordering suffixes or variants that may affect performance characteristics. Ensure compliance with RoHS standards if required by project regulations. Cross-reference datasheet parameters with application needs before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 4.7V output is required from variable input sources between 0.9V and 10V. Consider its 100kHz switching frequency and 80% duty cycle limits for timing-sensitive designs. Evaluate the 23.2uA quiescent current against battery life requirements. Ensure thermal management strategies accommodate the SOT-23-5 package constraints during continuous operation.

Part Context

This model belongs to the ABLIC S-8352 series of switching controllers. It is specifically engineered as a step-up regulator, distinguishing it from other series like S-8351 or S-8353 which may offer different topologies or features. The K3GT2U suffix indicates specific packaging and environmental classifications within the manufacturer's lineup.

Replacement Considerations

Direct substitutes include other ABLIC step-up controllers with similar output voltages and packages, such as the S-8352A series variants. Verify pinout compatibility and electrical parameter overlaps before substitution. Generic replacements may require circuit redesign due to differences in switching frequency or control logic.