S-1701K5045-M5T1U

Overview

The ABLIC S-1701K5045-M5T1U is a dual-output positive low-dropout (LDO) voltage regulator manufactured using CMOS technology. It provides two fixed output voltages of 5V and 4.5V, delivering a combined maximum output current of 400mA. The device operates within an input voltage range of 2.0V to 6.0V and features a typical dropout voltage of 300mV at full load. Designed for surface-mount assembly, it utilizes a compact 5-pin SC-74A (SOT-753) package. The component supports an operating temperature range from -40°C to +85°C, ensuring reliable performance in various electronic applications requiring stable dual-rail power supplies.

Feature Summary

• Dual independent output channels providing simultaneous 5V and 4.5V regulation
• High current capability with a total output capacity of 400mA
• Low dropout voltage characteristics for efficient power management
• Compact surface-mount packaging suitable for space-constrained designs

Applications

• Portable consumer electronics requiring dual voltage rails
• Embedded systems needing stable logic and peripheral power
• Battery-powered devices utilizing efficient LDO regulation
• Industrial control modules with strict space limitations

Procurement Notes

Verify the specific manufacturer datasheet for the S-1701K5045-M5T1U to confirm pinout configurations and electrical tolerances before integration. Ensure that the selected supplier provides authentic components with traceable origin. Cross-reference the part number against official ABLIC documentation to validate the dual-output specifications and thermal ratings. Confirm compliance with relevant environmental standards required for your specific application environment.

Selection Notes

Select this component when a design requires two distinct regulated voltages from a single IC to save board space. It is suitable for applications where input voltage varies but remains above the minimum threshold for both outputs. Consider the 400mA total current limit when sizing the load for both rails simultaneously. The SOT-753 package is ideal for high-density PCB layouts compared to larger through-hole alternatives.

Part Context

This part belongs to the ABLIC S-1701 series of dual-output LDO regulators. These devices are engineered for portable equipment and embedded systems. The series emphasizes low noise and high power supply rejection ratio (PSRR). The S-1701K5045 variant specifically targets applications needing 5V and 4.5V rails concurrently.

Replacement Considerations

Check for direct cross-references in ABLIC's product portfolio. Verify if other S-1701 variants with different voltage combinations fit the electrical requirements. Ensure any substitute maintains the same SC-74A footprint and thermal performance characteristics.