S-1206B1J-U3T1G

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

The S-1206B1J-U3T1G is a positive voltage regulator from the S-1206 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 1.85 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 260 mV (typical) at 100 mA load and includes built-in overcurrent protection. It is housed in a SOT-89-3 package.

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

• Ultra-low current consumption for extended battery life
• Low dropout voltage enabled by low on-resistance transistor
• Built-in overcurrent protection circuit prevents damage from excessive load or short circuits

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

• Constant-voltage power supply for battery-powered devices
• Constant-voltage power supply for cellular phones
• 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 as specified in the official datasheet. Confirm the environmental code 'U' indicates lead-free (Sn 100%) and halogen-free compliance. Ensure the specific part number matches the required 1.85 V output voltage designation within the S-1206 series product list.

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

Select this component when a fixed 1.85 V output is required with high accuracy. Consider the SOT-89-3 package for its thermal dissipation capabilities compared to smaller packages. Ensure the application maintains an input voltage at least equal to the output voltage plus the dropout voltage. Verify that the load current does not exceed the maximum rating while respecting the package's power dissipation limits.

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 ultra-low current consumption and low dropout voltage. It utilizes a P-channel MOSFET as the output transistor. The series offers various fixed output voltages selectable in 0.05 V steps, ranging from 1.2 V to 5.2 V, and is available in multiple package types including SOT-23-3, SOT-89-3, and SNT-6A(H).

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

S-1206B1J-M3T1U (SOT-23-3 package)

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

What is the typical dropout voltage for the S-1206B1J-U3T1G?

The typical dropout voltage is 260 mV when the output current is 100 mA.

Does the S-1206B1J-U3T1G include protection against short circuits?

Yes, it includes a built-in overcurrent protection circuit that limits the output current to protect the internal transistor during short-circuit conditions.