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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) 1.4V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.36V @ 100mA
Current - Output 200mA
Current - Quiescent (Iq) 50 µA
Current - Supply (Max) -
PSRR 70dB (1kHz)
Control Features Enable
Protection Features Over Current
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 XC6221A142MR-G is a 200mA LDO voltage regulator from Torex Semiconductor, offering a fixed 1.4V output. It features a low quiescent current of 50µA and a dropout voltage of 0.36V at 100mA. With a high PSRR of 70dB at 1kHz, it ensures clean power delivery. The SOT-25 package makes it a compact solution for various portable applications.

  • High PSRR: 70dB at 1kHz provides excellent ripple rejection, ensuring stable voltage for sensitive analog and RF circuits.
  • Ultra-Low Quiescent Current: 50µA quiescent current significantly reduces standby power consumption.
  • Stable 1.4V Output: Provides a precise and stable output voltage for low-voltage digital ICs.
  • Compact SOT-25 Package: Saves board space in space-constrained designs.

Low-Power Microcontrollers

Ideal for powering 1.4V logic cores in low-power MCUs, providing a stable supply with a low 50µA quiescent current to maximize battery life.

Wireless Sensor Nodes

The 200mA output and high PSRR of 70dB at 1kHz make it suitable for noise-sensitive RF transceivers in wireless sensor networks.

Portable Medical Devices

Its low dropout and compact SOT-25 package are well-suited for battery-powered medical monitors requiring a precise 1.4V rail.

Memory Power Supplies

Can be used to power low-voltage DDR memory or other digital ICs that require a clean and stable 1.4V supply.

Smart Cards and Readers

Provides reliable power for smart card interfaces, ensuring consistent operation with minimal power loss.

Q: What is the output voltage of the XC6221A142MR-G?
A: The fixed output voltage is 1.4V.
Q: What is the maximum output current?
A: It can deliver up to 200mA.
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 0.36V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 50µA.
Q: What package is available?
A: It comes in a SOT-25 package.
Base Product Number : XC6221A142
1.4V 200mA High PSRR LDO Linear Regulator Low Quiescent Current SOT-25 Torex XC6221A142MR-G
Q: What is the output voltage of the XC6221A142MR-G?
A: The fixed output voltage is 1.4V.
Q: What is the maximum output current?
A: It can deliver up to 200mA.
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 0.36V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 50µA.
Q: What package is available?
A: It comes in a SOT-25 package.