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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) 2.2V
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
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC6220A221MR-G is a fixed-output LDO regulator that delivers a stable 2.2V at up to 1A. It features a low 18 μA quiescent current and a dropout voltage of 0.655V at full load, making it an efficient choice for battery-powered and low-power applications. The SOT-25 package ensures a compact footprint for space-constrained designs.

  • Efficient Power Conversion: The low 18 μA quiescent current reduces idle power consumption, making it ideal for always-on devices.
  • High Output Current: Supports up to 1A, suitable for powering a wide range of digital and analog ICs.
  • Low Dropout Performance: With only 0.655V dropout at 1A, it maintains regulation even with small input-to-output voltage margins.
  • Space-Saving Design: The SOT-25 package is ideal for compact PCB layouts in portable electronics.

FPGA and DSP Core Supplies

Many FPGAs and DSPs require a precise 2.2V core voltage. The XC6220A221MR-G provides up to 1A with excellent stability, ensuring reliable operation of digital logic.

Battery-Powered Handheld Instruments

With a low quiescent current of 18 μA, this regulator is perfect for handheld multimeters and other instruments that need to preserve battery life while delivering up to 1A for backlighting or motors.

Networking Equipment

For routers and switches that need a clean 2.2V rail for PHY chips or controllers, this LDO offers low dropout and high current capability, ensuring stable operation under varying loads.

Automotive Infotainment

The regulator can power sensors and interface ICs in automotive infotainment systems, providing a stable 2.2V supply from the vehicle's 3.3V or 5V rails.

Smart Home Devices

Smart thermostats and security cameras benefit from the low quiescent current and compact SOT-25 package, allowing for efficient, space-saving power design.

Test and Measurement

In bench equipment, the 50dB PSRR at 1kHz helps maintain signal integrity by filtering out power supply noise from the 2.2V analog circuits.

Q: What is the output voltage of the XC6220A221MR-G?
A: This LDO regulator provides a fixed output voltage of 2.2V.
Q: What is the maximum output current?
A: The XC6220A221MR-G can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The minimum input voltage is 2.2V. The maximum input voltage is not specified in the provided data.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load current.
Q: What is the quiescent current?
A: The quiescent current is a low 18 μA, making it suitable for battery-powered applications.
Q: What package is this regulator available in?
A: It comes in the compact SOT-25 package.
Base Product Number : XC6220A22
1A 2.2V Fixed Output LDO Linear Regulator Low Quiescent Current SOT-25 Torex
Q: What is the output voltage of the XC6220A221MR-G?
A: This LDO regulator provides a fixed output voltage of 2.2V.
Q: What is the maximum output current?
A: The XC6220A221MR-G can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The minimum input voltage is 2.2V. The maximum input voltage is not specified in the provided data.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load current.
Q: What is the quiescent current?
A: The quiescent current is a low 18 μA, making it suitable for battery-powered applications.
Q: What package is this regulator available in?
A: It comes in the compact SOT-25 package.