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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) 2.1V
Voltage - Output (Max) -
Voltage Dropout (Max) 1.2V @ 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 XC6504A211MR-G from Torex Semiconductor is a fixed 2.1V LDO linear regulator capable of delivering 150mA. Housed in a compact SOT-25 package, it features an ultra-low quiescent current of just 1.5 µA and a dropout voltage of 1.2V at full load. This regulator is ideal for battery-powered and energy-sensitive applications where minimal power consumption is critical.

  • Ultra-Low Quiescent Current: 1.5 µA quiescent draw dramatically extends battery life in standby and always-on applications.
  • Low Dropout Voltage: 1.2V dropout at 150mA allows efficient operation from batteries with minimal headroom.
  • Compact SOT-25 Package: Small footprint ideal for space-constrained portable and wearable devices.
  • 150mA Output Capability: Sufficient current for MCUs, sensors, and wireless modules in modern IoT designs.

Battery-Powered IoT Sensors

Power low-power microcontrollers and sensors in IoT nodes. The ultra-low 1.5 µA quiescent current significantly extends battery life in always-on applications.

Wearable Health Monitors

Provide a stable 2.1V supply for wearable heart-rate monitors and fitness trackers. The 150mA output supports the MCU, display, and wireless module while maintaining efficiency.

Bluetooth Low Energy Modules

Supply a clean 2.1V rail for BLE modules and SoCs. The low dropout of 1.2V allows operation from a single Li-ion cell (3.0-4.2V) without excessive power loss.

Energy Harvesting Systems

Regulate the output of energy harvesters (solar, thermoelectric) to a stable 2.1V for storage and load circuits. The low quiescent current preserves harvested energy.

Portable Medical Devices

Power glucose monitors and digital thermometers with a reliable 2.1V supply. The SOT-25 package enables miniaturized device designs.

RTC Backup Power

Maintain real-time clock operation with a 2.1V supply from a coin cell. The ultra-low quiescent current ensures years of backup operation.

Q: What is the output voltage of the XC6504A211MR-G?
A: The XC6504A211MR-G provides a fixed output voltage of 2.1V.
Q: What is the maximum output current?
A: The maximum output current is 150mA.
Q: What is the input voltage range?
A: The input voltage range is not explicitly specified, but the dropout voltage is 1.2V at 150mA, so input must be at least 3.3V for proper regulation.
Q: What is the dropout voltage?
A: The dropout voltage is 1.2V at 150mA output current.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 1.5 µA.
Q: What package is available?
A: The XC6504A211MR-G is available in the SOT-25 package.
Base Product Number : XC6504A211MR-G
150mA 2.1V Fixed Output LDO Linear Regulator SOT-25 Torex Semiconductor Ultra-Low Quiescent
Q: What is the output voltage of the XC6504A211MR-G?
A: The XC6504A211MR-G provides a fixed output voltage of 2.1V.
Q: What is the maximum output current?
A: The maximum output current is 150mA.
Q: What is the input voltage range?
A: The input voltage range is not explicitly specified, but the dropout voltage is 1.2V at 150mA, so input must be at least 3.3V for proper regulation.
Q: What is the dropout voltage?
A: The dropout voltage is 1.2V at 150mA output current.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 1.5 µA.
Q: What package is available?
A: The XC6504A211MR-G is available in the SOT-25 package.