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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) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.305V @ 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 ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 4-XDFN Exposed Pad
Supplier Device Package USPQ-4B03
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The XC6223H331GR-G is a high-performance low dropout linear regulator from Torex Semiconductor, offering a fixed 3.3V output with up to 300mA of current. It features excellent PSRR of 80dB at 1kHz, making it ideal for noise-sensitive applications. The dropout voltage is 0.305V at full load, and the quiescent current is 220 µA. The USPQ-4B03 package provides a compact, thermally efficient solution.

  • High PSRR: 80dB at 1kHz ensures superior noise rejection for sensitive analog and RF circuits.
  • 300mA Output Current: Suitable for a wide range of applications, from sensors to microcontrollers.
  • Low Dropout: 0.305V dropout at 300mA maximizes efficiency.
  • Compact USPQ-4B03 Package: Small footprint with good thermal performance for space-limited designs.

RF and Wireless Systems

With 80dB PSRR at 1kHz, this LDO provides exceptionally clean power for RF transceivers, GPS modules, and Bluetooth/Wi-Fi radios, minimizing noise-induced errors.

Audio Equipment

The high PSRR and stable 3.3V output make it ideal for powering audio codecs, DACs, and amplifiers in portable audio devices, ensuring high-fidelity sound.

Precision Analog Circuits

For instrumentation and measurement equipment, the low noise and high ripple rejection ensure accurate signal processing and stable reference voltages.

Automotive Electronics

The 300mA output and robust performance make it suitable for powering sensors and control modules in automotive environments.

High-Performance MCU Systems

For advanced microcontrollers with integrated analog peripherals, this LDO provides a clean 3.3V rail, improving ADC and DAC accuracy.

Q: What is the output voltage of the XC6223H331GR-G?
A: The fixed output voltage is 3.3V.
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 not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.305V at 300mA.
Q: What is the quiescent current?
A: The quiescent current is 220 µA.
Q: What is the PSRR performance?
A: PSRR is 80dB at 1kHz, providing excellent noise rejection.
Base Product Number : XC6223H331
3.3V 300mA High PSRR LDO Linear Regulator Torex USPQ-4B03
Q: What is the output voltage of the XC6223H331GR-G?
A: The fixed output voltage is 3.3V.
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 not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.305V at 300mA.
Q: What is the quiescent current?
A: The quiescent current is 220 µA.
Q: What is the PSRR performance?
A: PSRR is 80dB at 1kHz, providing excellent noise rejection.