S-8357H50MC-NNJT2G

Overview

The S-8357H50MC-NNJT2G is a step-up switching regulator controller manufactured by ABLIC Inc. It operates with a fixed output voltage of 5.0 V and utilizes PWM control for stable regulation. The device supports an input supply range of 0.9 V to 10 V and features a maximum switching frequency of 600 kHz. It is housed in a compact SOT-23-5 package, suitable for surface-mount applications. The component functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates a built-in N-channel power MOSFET for simplified external circuit design
• Provides high efficiency through synchronous rectification operation
• Includes a dedicated sleep mode to minimize current consumption during standby

Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Mobile communication equipment utilizing single-cell lithium-ion batteries
• Consumer electronics needing compact power management solutions

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and thermal characteristics. Ensure that the ordering information matches the exact part number variant required for the target application. Cross-reference datasheet specifications for electrical limits before finalizing procurement decisions.

Selection Notes

Select this component when a compact solution with integrated power switching is required. Consider the fixed 5.0 V output and 600 kHz frequency for standard boost applications. Evaluate the SOT-23-5 footprint constraints and ensure the input voltage range aligns with the system's battery or supply profile.

Part Context

This part belongs to the S-8357 series of step-up switching regulators from ABLIC. The series is characterized by high integration levels, including internal power transistors and control logic. It targets applications demanding small form factors and reliable performance in consumer and industrial electronics.

Replacement Considerations

Direct substitutes include other S-8357 series variants with compatible output voltages and packages. Verify functional equivalence regarding switching frequency and control topology before implementation.