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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) 5.5V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.63V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 220 µA
Current - Supply (Max) -
PSRR 80dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 105°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 XC6223T121MR-G from Torex Semiconductor is a 1.2V fixed-output LDO regulator with a 300mA output current capability. It features a dropout voltage of 0.63V at full load and 80dB PSRR at 1kHz, making it suitable for low-voltage digital cores. The SOT-25 package ensures easy integration.

  • Low-Voltage Output: 1.2V fixed output is ideal for modern digital cores and memory.
  • High PSRR: 80dB at 1kHz minimizes noise for sensitive logic circuits.
  • 300mA Current: Supports a wide range of low-power processors and FPGAs.
  • Stable Operation: Low dropout and quiescent current balance performance and efficiency.

Low-Voltage Microcontroller Cores

Modern MCUs with 1.2V cores benefit from this LDO's 300mA output, providing stable power for high-speed digital logic.

FPGA Core Logic

Low-power FPGAs often require 1.2V core supplies. The XC6223T121MR-G delivers clean, regulated power with 80dB PSRR.

DDR4 Memory VDDQ

DDR4 memory operates at 1.2V. This regulator can supply the VDDQ rail with low noise, improving memory stability.

ASIC Power Supplies

Custom ASICs in IoT devices use 1.2V cores. The low dropout and high PSRR ensure reliable operation.

Sensor Signal Processing

Digital signal processors in sensor hubs require 1.2V. This LDO provides a clean supply, reducing measurement errors.

Portable Computing

Tablets and e-readers use 1.2V rails for application processors. The 300mA capability supports moderate processing loads.

Q: What is the output voltage?
A: The fixed output voltage is 1.2V.
Q: What is the maximum output current?
A: It can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is 1.8V to 6.0V (typical for this series).
Q: What is the dropout voltage?
A: Dropout voltage is 0.63V at 300mA output.
Q: What is the quiescent current?
A: Quiescent current is 220µA.
Q: What package is available?
A: It comes in the SOT-25 package.
Base Product Number : XC6223T121MR
1.2V 300mA High PSRR LDO Linear Regulator Low Dropout SOT-25 Torex XC6223
Q: What is the output voltage?
A: The fixed output voltage is 1.2V.
Q: What is the maximum output current?
A: It can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is 1.8V to 6.0V (typical for this series).
Q: What is the dropout voltage?
A: Dropout voltage is 0.63V at 300mA output.
Q: What is the quiescent current?
A: Quiescent current is 220µA.
Q: What package is available?
A: It comes in the SOT-25 package.