S-1206B37-U3T1G

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

The S-1206B37-U3T1G is a positive voltage regulator from the S-1206 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 3.7 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 at an ultra-low current consumption of 1.0 µA (typical) during operation. The component features a dropout voltage of 150 mV (typical) at 100 mA load and includes built-in overcurrent protection. It is housed in a SOT-89-3 package and functions within an ambient temperature range of -40°C to +85°C.

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 low on-resistance internal transistor
• Built-in overcurrent protection circuit safeguards against excessive load currents
• Compatible with small ceramic capacitors for stable phase compensation

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 that the ordering suffix U3T1G corresponds to the SOT-89-3 package and tape packing configuration as defined in the official product name structure. Confirm environmental compliance requirements, specifically checking if the G suffix denotes lead-free specifications distinct from the standard U suffix. Ensure the selected variant matches the required output voltage tolerance and operating temperature range for the target application.

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

Select this component when a fixed 3.7 V output is required with minimal quiescent current draw. The SOT-89-3 package offers higher power dissipation capabilities compared to smaller packages, suitable for moderate load currents. Ensure input voltage remains within the specified 1.7 V to 6.5 V range and verify that external capacitor values meet stability requirements to prevent oscillation under varying load conditions.

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

This part belongs to the S-1206 Series of CMOS voltage regulators developed by ABLIC Inc. The series is characterized by high-accuracy output voltages selectable in 0.05 V steps and compatibility with various surface-mount packages including SOT-23-3, SOT-89-3, and SNT-6A(H). The technology focuses on reducing power consumption while maintaining robust performance in compact electronic designs.

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

S-1206B37-M3T1U

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

What is the maximum input voltage allowed for the S-1206B37-U3T1G?

The maximum input voltage is 6.5 V.

Does the S-1206B37-U3T1G include short-circuit protection?

Yes, it includes a built-in overcurrent protection circuit that limits the output current to protect the device during short circuits or excessive loads.

What type of capacitors are recommended for input and output stabilization?

Ceramic capacitors of 0.1 µF or more are recommended for both input and output pins to ensure stable operation across the entire temperature range.