S-1206B41-M3T2U

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The S-1206B41-M3T2U is a positive voltage regulator from the S-1206 series, manufactured by ABLIC Inc. It provides a fixed output voltage of 4.1 V with an accuracy of ±1.0%. The device supports an input voltage range of 1.7 V to 6.5 V and delivers up to 250 mA of output current. It operates within an ambient temperature range of -40°C to +85°C. Key electrical characteristics include a typical dropout voltage of 0.23 V at 100 mA and a quiescent current consumption of 1.0 µA during operation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low current consumption for extended battery life in portable applications
• Low dropout voltage enabled by built-in low on-resistance transistor
• Integrated overcurrent protection circuit to prevent damage from short circuits or excessive load

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Constant-voltage power supply for cellular phones
• Constant-voltage power supply for battery-powered devices
• Constant-voltage power supply for portable equipment

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific package type (SOT-23-3) and environmental code (M3T2U indicates tape packing) against the datasheet product name structure. Confirm that the ordering suffix matches the required lead-free and halogen-free specifications. Ensure input and output capacitor values meet the minimum requirements for stability.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 4.1 V rail is required with minimal static power draw. Verify that the maximum power dissipation of the SOT-23-3 package can handle the thermal load at the expected operating current and ambient temperature. Ensure the input voltage remains within the specified 1.7 V to 6.5 V range.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the S-1206 series of CMOS LDO regulators designed for ultra-low current consumption. The series offers selectable output voltages in 0.05 V steps from 1.2 V to 5.2 V. It utilizes a P-channel MOSFET output transistor to achieve low dropout characteristics while maintaining high accuracy across the operating temperature range.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Other parts in the S-1206 series with different output voltages may be considered if the voltage requirement changes. Verify package compatibility and ensure the replacement maintains the required current and thermal performance.