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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) 3.2V
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 XC6220A321MR-G is a fixed-output LDO regulator providing a stable 3.2V at up to 1A. With an ultra-low 18 μA quiescent current and 0.655V dropout at full load, it excels in battery-powered and energy-efficient designs. The SOT-25 package and 50dB PSRR at 1kHz make it a compact, noise-immune solution for sensitive electronics.

  • Energy Efficiency: 18 μA quiescent current reduces power waste, extending battery runtime.
  • Robust Load Handling: 1A output with 0.655V dropout ensures stable operation under varying loads.
  • Noise Suppression: 50dB PSRR at 1kHz filters ripple, ideal for precision analog circuits.
  • Space-Saving Design: SOT-25 package fits tight PCB layouts.

FPGA and DSP Core Supplies

The 3.2V output and 1A capability provide a stable core voltage for low-power FPGAs and DSPs, with low dropout ensuring regulation during transient loads.

Portable Audio Equipment

With 50dB PSRR at 1kHz, this LDO minimizes power supply noise, preserving audio fidelity in portable DACs and headphone amplifiers.

Smart Home Hubs

The low quiescent current keeps standby power minimal, while the 1A output supports Wi-Fi and Zigbee modules during active communication.

Handheld Test Instruments

Stable 3.2V output and low dropout extend battery life in multimeters and oscilloscopes, ensuring accurate measurements even as battery voltage declines.

LED Lighting Controllers

Provides clean, regulated power for microcontroller-based LED drivers, improving dimming accuracy and color consistency.

Security Cameras

Reliable 3.2V rail for image sensors and processors, with thermal protection for continuous outdoor operation.

Q: What is the output voltage of the XC6220A321MR-G?
A: The fixed output voltage is 3.2V.
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 : XC6220A321MR
1A 3.2V Fixed Output LDO Linear Regulator Low Quiescent Current SOT-25 Torex
Q: What is the output voltage of the XC6220A321MR-G?
A: The fixed output voltage is 3.2V.
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.