S-8352B50MA-K5JT2G

Overview

The S-8352B50MA-K5JT2G is a synchronous rectification step-up switching regulator manufactured by ABLIC Inc. It features a fixed output voltage of 5V and supports an output current of up to 1A. The device operates with an input voltage range from 0.9V to 6V. Key electrical parameters include a typical quiescent current of 40µA and a switching frequency of 1MHz. The component is housed in a compact SC-74A (SOT-753) package, suitable for surface-mount installation. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates synchronous rectification technology to enhance conversion efficiency and reduce external component count.
• Supports wide input voltage ranges starting as low as 0.9V, enabling operation with single-cell lithium-ion batteries or other low-voltage sources.
• Features a high switching frequency of 1MHz, allowing for the use of small passive components to minimize overall solution size.

Applications

• Portable electronic devices requiring efficient power management from single-cell battery sources
• Smartphones and mobile communication equipment
• Wearable health monitoring devices

Procurement Notes

Verify the specific suffix 'K5JT2G' against official ABLIC documentation to confirm tape-and-reel packaging specifications and marking codes. Ensure compatibility with standard SOT-753 footprint dimensions during PCB layout. Confirm RoHS compliance status through the manufacturer's latest environmental declaration before finalizing procurement orders.

Selection Notes

Select this model when designing systems that require high efficiency at moderate load currents from low-voltage inputs. The 1MHz switching frequency is optimal for minimizing inductor size compared to lower-frequency alternatives. Consider the 1A output capability relative to peak load requirements, ensuring adequate thermal dissipation within the SC-74A package constraints for the intended application environment.

Part Context

This component belongs to the S-8352 series of synchronous step-up regulators from ABLIC. It is part of the broader PMIC portfolio designed for portable electronics. The series emphasizes high efficiency and compact form factors, targeting applications where space and battery life are critical constraints. It complements other ABLIC linear and switching regulators in system-level power architectures.

Replacement Considerations

Direct substitutes may include other ABLIC S-8352 variants with different output voltages or current ratings. Cross-reference pinout compatibility and thermal characteristics when evaluating alternative manufacturers' synchronous boost converters. Verify that replacement parts meet the same input voltage range and switching frequency requirements to maintain circuit stability.

FAQ

What is the maximum output current capability of the S-8352B50MA?

The device supports a continuous output current of up to 1A.

Does the S-8352B50MA use synchronous rectification?

Yes, it integrates synchronous rectification to improve efficiency and simplify the external circuit design.