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Product attributes Property Value
Manufacturer Torex Semiconductor Ltd
Product Series
Packaging Tape & Reel (TR) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3.15V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.655V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 18 μA
Current - Supply (Max) 108 μA
PSRR 50dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-25

The Torex XC6220A31BMR-G is a high-performance fixed-output LDO voltage regulator delivering a stable 3.15V at up to 1A. Its ultra-low 18 μA quiescent current and 0.655V dropout at full load make it ideal for battery-powered and energy-conscious applications. Housed in a compact SOT-25 package, it offers excellent noise rejection with 50dB PSRR at 1kHz, ensuring clean power for sensitive electronics.

  • Extended Battery Life: Ultra-low 18 μA quiescent current minimizes standby power consumption, ideal for portable devices.
  • High Current Capacity: 1A output supports demanding loads while maintaining a low 0.655V dropout voltage.
  • Clean Power Delivery: 50dB PSRR at 1kHz filters supply noise, protecting sensitive analog and RF circuits.
  • Compact Footprint: SOT-25 package saves PCB space for space-constrained designs.

Battery-Powered IoT Sensors

The low 18 μA quiescent current extends battery life in always-on sensor nodes, while the 1A output supports periodic high-current radio bursts.

Portable Medical Devices

The fixed 3.15V output and low dropout of 0.655V ensure stable operation from a 3.7V Li-ion battery down to near end-of-charge, maintaining accuracy for sensitive monitoring circuits.

Wireless Communication Modules

With 50dB PSRR at 1kHz, this LDO effectively filters power supply noise, ensuring clean power for RF transceivers and improving signal integrity.

Industrial Control Systems

The SOT-25 package and 1A current capability make it suitable for powering logic circuits and small actuators in space-constrained industrial controllers.

Consumer Electronics

From smart wearables to digital cameras, the XC6220A31BMR-G provides a stable 3.15V rail for processors and memory, with thermal shutdown protection for reliability.

Automotive Accessories

Although not AEC-Q100 qualified, its robust design and low dropout make it a candidate for non-critical automotive infotainment and telematics power supplies.

Q: What is the output voltage of the XC6220A31BMR-G?
A: The fixed output voltage is 3.15V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is a low 18 μA, ideal for battery-powered devices.
Q: What package is available?
A: It comes in a compact SOT-25 package.
Base Product Number : XC6220A31BMR
1A 3.15V Fixed Output LDO Linear Regulator Low Quiescent Current SOT-25 Torex
Q: What is the output voltage of the XC6220A31BMR-G?
A: The fixed output voltage is 3.15V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is a low 18 μA, ideal for battery-powered devices.
Q: What package is available?
A: It comes in a compact SOT-25 package.