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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) 6V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.825V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 900 nA
Current - Supply (Max) -
PSRR 60dB (1kHz)
Control Features Current Limit, Enable
Protection Features Over Current, Short Circuit
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 4-XDFN Exposed Pad
Supplier Device Package 4-USPQ-B05 (1x1)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The XC6241B1219R-G from Torex Semiconductor is an ultra-low-power LDO regulator delivering a fixed 1.2V output with up to 150mA. Its standout feature is a quiescent current of just 900nA, making it exceptional for battery-powered and energy-harvesting applications. Housed in a miniature 4-USPQ-B05 (1x1mm) package, it is designed for space-constrained, power-sensitive designs.

  • Ultra-Low Quiescent Current (900nA): Dramatically extends battery life in standby and always-on applications.
  • Miniature 1x1mm Package: Enables ultra-compact designs for wearables and IoT devices.
  • 150mA Output Current: Sufficient for low-power MCUs and wireless modules.
  • 60dB PSRR @ 1kHz: Provides adequate noise filtering for sensitive circuits.

Ultra-Low-Power IoT Sensors

The 900nA quiescent current makes it perfect for always-on sensors in IoT nodes, significantly extending battery life.

Wearable Devices

The tiny 1x1mm package and low power consumption are ideal for smartwatches, fitness trackers, and medical patches.

Energy Harvesting Systems

Power microcontrollers and sensors in energy-harvesting setups where every nanoamp of current is critical.

Real-Time Clock (RTC) Backup Power

Maintain RTC operation during main power loss with minimal battery drain.

Low-Power Wireless Modules

Supply a stable 1.2V rail for BLE, Zigbee, and other low-power wireless transceivers.

Portable Medical Monitors

Ensure reliable, long-lasting operation of glucose monitors and other battery-powered medical devices.

Q: What is the output voltage of the XC6241B1219R-G?
A: It provides a fixed 1.2V output.
Q: What is the maximum output current?
A: The regulator can supply up to 150mA of output current.
Q: What is the dropout voltage?
A: The dropout voltage is 0.825V at the maximum load of 150mA.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 900nA (0.9µA), ideal for battery-powered applications.
Q: What is the PSRR performance?
A: It provides 60dB of power supply rejection at 1kHz.
Q: What package is available?
A: It comes in a very small 4-USPQ-B05 (1x1mm) package.
Base Product Number : XC6241B1219R-G
1.2V 150mA 4-USPQ-B05 900nA LDO Linear Regulator Torex Ultra-Low Power
Q: What is the output voltage of the XC6241B1219R-G?
A: It provides a fixed 1.2V output.
Q: What is the maximum output current?
A: The regulator can supply up to 150mA of output current.
Q: What is the dropout voltage?
A: The dropout voltage is 0.825V at the maximum load of 150mA.
Q: What is the quiescent current?
A: The quiescent current is extremely low at 900nA (0.9µA), ideal for battery-powered applications.
Q: What is the PSRR performance?
A: It provides 60dB of power supply rejection at 1kHz.
Q: What package is available?
A: It comes in a very small 4-USPQ-B05 (1x1mm) package.