S-1701B5042-M5T1G

Overview

The S-1701B5042-M5T1G is a dual-output low-dropout (LDO) voltage regulator from the ABLIC S-1701 series, housed in an SOT-23-5 surface-mount package. It provides fixed positive output voltages of 4.2 V and 5.0 V with a maximum continuous output current of 400 mA. The device features a typical quiescent current of 85 µA and a maximum dropout voltage of 210 mV at 100 mA load. Operating within a temperature range of -40°C to +85°C, it offers a line regulation of 0.2%/V and a load regulation of 40 mV. The unit supports a power dissipation of up to 1 W and maintains a voltage accuracy of 1%.

Feature Summary

• Integrates two independent fixed positive LDO regulators within a single compact package for space-constrained designs.
• Combines voltage regulation functionality with built-in voltage detection capabilities for system monitoring.
• Maintains stable operation with ultra-low standby current consumption suitable for battery-powered applications.

Applications

• Portable electronic devices requiring multiple regulated supply rails
• Battery-operated equipment needing efficient power management
• Embedded systems utilizing integrated voltage supervision

Procurement Notes

Verify the specific suffix M5T1G confirms the SOT-23-5 package and RoHS compliance status before ordering. Confirm that the factory packaging quantity aligns with production requirements, as standard reels typically contain 3000 units. Ensure input voltage specifications exceed the required output levels to maintain proper dropout margins during operation.

Selection Notes

Select this component when dual isolated outputs are required from a single source without occupying separate board areas. The SOT-23-5 footprint is ideal for high-density layouts where space is limited compared to larger packages like SOT-89-5. Consider the thermal performance limits given the small package size and potential power dissipation under heavy loads.

Part Context

This part belongs to the S-1701 series of combo voltage detectors and regulators designed by ABLIC. The series focuses on providing reliable power management solutions with integrated supervision features. The M5T1G designation specifically identifies the surface-mount variant optimized for automated assembly processes in consumer and industrial electronics manufacturing.

Replacement Considerations

Direct substitutes include other S-1701 series variants with identical pinouts and electrical characteristics but different output voltage combinations, such as S-1701F5043-M5T1G or S-1701N3315-M5T1G, provided the voltage requirements match the application design.