S-8352C50UA-K7JT2U

Overview

The S-8352C50UA-K7JT2U is a step-up switching regulator controller manufactured by ABLIC Inc. It operates with a fixed output voltage of 5.0 V and utilizes PFM control for efficiency optimization. The device features a low quiescent current of 23.2 uA, supporting extended battery life in portable applications. It accepts an input voltage range suitable for single-cell lithium-ion batteries and delivers up to 1.0 A output current. The component is housed in a compact SOT-89-3 package, designed for surface-mount installation. It functions within a temperature range of -40°C to +85°C, ensuring reliable performance across various industrial and consumer environments.

Feature Summary

• Integrates PFM control architecture to maximize energy efficiency during light-load conditions
• Features ultra-low quiescent current consumption to preserve battery capacity in standby modes
• Supports high output current delivery for powering demanding loads from low-voltage sources

Applications

• Battery-powered portable electronic devices requiring efficient power management
• Smartphones and mobile communication equipment utilizing single-cell lithium-ion batteries
• Wearable technology and IoT sensors where space and power conservation are critical

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and thermal characteristics. Confirm that the SOT-89-3 package variant matches your PCB layout requirements. Cross-reference the manufacturing date code and lot information to ensure compliance with RoHS standards. Validate supply chain authenticity through authorized distributors to prevent counterfeit components.

Selection Notes

Select this component when designing circuits that require high efficiency at light loads using a single-cell battery source. Ensure the external inductor and diode selections support the required 1.0 A output current without saturation. Verify that the input voltage range covers the minimum operating voltage of the battery chemistry used. Consider thermal dissipation capabilities within the SOT-89-3 package for the intended application environment.

Part Context

This part belongs to the S-8352 series of step-up switching regulators from ABLIC. The series is characterized by its focus on low quiescent current and high efficiency, making it suitable for battery-operated applications. The S-8352C50UA-K7JT2U specifically provides a fixed 5.0 V output, distinguishing it from adjustable variants within the same family.