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Product attributes Property Value
Manufacturer Torex Semiconductor Ltd
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3.1V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.67V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 1.5 µA
Current - Supply (Max) -
PSRR -
Control Features Enable
Protection Features Over Current
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-25
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The XC6504A311MR-G is a high-performance low dropout linear regulator from Torex Semiconductor, delivering a fixed 3.1V output with up to 150mA of current. Its ultra-low 1.5µA quiescent current makes it exceptionally suited for battery-powered applications. The device features a low dropout voltage of 0.67V at full load, ensuring efficient operation even with minimal input-to-output headroom. Housed in a compact SOT-25 package, this LDO offers a practical solution for space-constrained designs requiring stable and clean power delivery.

  • Extended Battery Life: Ultra-low 1.5µA quiescent current minimizes standby power consumption, ideal for always-on devices.
  • High Efficiency: Low 0.67V dropout voltage at 150mA reduces power dissipation and improves thermal performance.
  • Stable Output: Fixed 3.1V output ensures consistent performance for sensitive analog and digital circuits.
  • Compact Footprint: SOT-25 package saves PCB space, enabling miniaturized product designs.

Battery-Powered IoT Sensors

The ultra-low 1.5µA quiescent current extends battery life in wireless sensors that spend most time in sleep mode, while the 3.1V rail powers microcontrollers and RF transceivers efficiently.

Wearable Health Monitors

With a compact SOT-25 package and stable 3.1V output, this LDO is ideal for fitness bands and medical patches where board space is limited and power efficiency is critical.

Portable Audio Devices

The low dropout of 0.67V ensures clean, regulated 3.1V supply even as the battery discharges, minimizing noise and distortion in portable DACs and headphone amplifiers.

Smart Home Controllers

For thermostats and smart locks, the XC6504A311MR-G provides a reliable 3.1V rail from a 3.7V Li-ion battery, ensuring consistent operation of sensors and wireless modules.

Industrial Low-Power Logic

This regulator powers 3.1V logic circuits in industrial monitoring equipment, offering stable output with minimal heat generation due to its efficient dropout characteristics.

Q: What is the output voltage of the XC6504A311MR-G?
A: The fixed output voltage is 3.1V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage is 3.1V (typical operating condition).
Q: What is the dropout voltage?
A: The dropout voltage is 0.67V at 150mA output.
Q: What is the quiescent current?
A: The quiescent current is a very low 1.5µA.
Q: What package is available?
A: It comes in the SOT-25 package.
Base Product Number : XC6504A311MR
150mA 3.1V LDO Linear Regulator Low Quiescent Current SOT-25 Torex Semiconductor
Q: What is the output voltage of the XC6504A311MR-G?
A: The fixed output voltage is 3.1V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage is 3.1V (typical operating condition).
Q: What is the dropout voltage?
A: The dropout voltage is 0.67V at 150mA output.
Q: What is the quiescent current?
A: The quiescent current is a very low 1.5µA.
Q: What package is available?
A: It comes in the SOT-25 package.