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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) 3.5V
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 SOT-89-5/6
Supplier Device Package SOT-89-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC6220A351PR-G is a high-performance fixed-output LDO linear regulator delivering a precise 3.5V supply at up to 1A. Its ultra-low 18 μA quiescent current and 50dB PSRR make it an excellent choice for noise-sensitive portable and battery-operated devices. Housed in a compact SOT-89-5 package, this regulator balances thermal efficiency with board space savings, ensuring reliable operation across industrial and consumer applications.

  • Extended Battery Life: Ultra-low 18 μA quiescent current minimizes standby power consumption, ideal for battery-powered devices.
  • High Current Capacity: 1A output current supports a wide range of loads, from sensors to communication modules.
  • Excellent Noise Rejection: 50dB PSRR at 1kHz ensures clean, stable output for sensitive analog and RF circuits.
  • Low Dropout Voltage: 0.655V dropout at 1A allows efficient operation from lower input voltages, reducing power dissipation.

Battery-Powered IoT Sensors

With a low quiescent current of 18 μA and a fixed 3.5V output, this LDO is ideal for always-on IoT sensor nodes where power efficiency directly extends battery life.

Portable Medical Devices

The stable 3.5V rail and 1A current capability support precision analog circuits in portable monitors, ensuring consistent performance despite varying battery voltage.

Wireless Communication Modules

For Wi-Fi or Bluetooth modules requiring a clean 3.5V supply, the 50dB PSRR at 1kHz effectively filters power supply noise, improving RF signal integrity.

Industrial Control Systems

The SOT-89-5 package with 1A output provides a robust solution for powering microcontrollers and sensors in industrial automation, where thermal performance is critical.

Automotive Infotainment

This regulator delivers a stable 3.5V rail for audio codecs and display drivers, with the low dropout ensuring operation even during cold-crank conditions.

FPGA and DSP Core Supplies

For low-voltage digital cores requiring 3.5V, the 0.655V dropout at 1A ensures efficient power conversion from a 5V bus with minimal heat generation.

Q: What is the output voltage of the XC6220A351PR-G?
A: The XC6220A351PR-G is a fixed output LDO regulator providing 3.5V output.
Q: What is the maximum output current?
A: This regulator can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 3.5V up to the absolute maximum rating (typically 6V, refer to datasheet).
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 very low at 18 μA, making it suitable for battery-powered applications.
Q: What package is available?
A: The XC6220A351PR-G comes in a compact SOT-89-5 package.
Base Product Number : XC6220A351PR
1A 3.5V Fixed Output High PSRR LDO Linear Regulator Low Quiescent Current SOT-89-5 Torex
Q: What is the output voltage of the XC6220A351PR-G?
A: The XC6220A351PR-G is a fixed output LDO regulator providing 3.5V output.
Q: What is the maximum output current?
A: This regulator can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage range is from 3.5V up to the absolute maximum rating (typically 6V, refer to datasheet).
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 very low at 18 μA, making it suitable for battery-powered applications.
Q: What package is available?
A: The XC6220A351PR-G comes in a compact SOT-89-5 package.