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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) 3.15V
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 XC6220A31BPR-G is a fixed-output linear regulator providing 3.15V at up to 1A. With a low 18 μA quiescent current and 0.655V dropout at full load, it suits battery-powered and noise-sensitive applications. The SOT-89-5 package balances size and thermal dissipation.

  • Precision Output: 3.15V for specialized ICs requiring higher than standard 3.0V.
  • Low Power: 18 μA quiescent current minimizes drain.
  • Robust Current: 1A capacity for demanding loads.
  • Noise Immunity: 50dB PSRR at 1kHz for clean power.

High-Performance ADCs

The 3.15V rail provides a stable reference for analog-to-digital converters requiring slightly above 3V.

Automotive Infotainment

Aftermarket head units benefit from the 1A current and low dropout when powered from regulated 5V.

Smart Meters

Low quiescent current ensures long-term operation in utility metering applications.

Medical Wearables

The clean output supports ECG and heart-rate monitoring circuits.

Communication Interfaces

RS-232 and CAN transceivers often need 3.15V; this LDO provides reliable power.

Battery Management

For battery monitoring systems, the 3.15V rail powers measurement ICs accurately.

Q: What is the output voltage of the XC6220A31BPR-G?
A: The fixed output voltage is 3.15V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage is 3.15V, designed for stable regulation at this level.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is only 18 μA, ideal for battery-powered devices.
Q: What package is available?
A: It comes in a SOT-89-5 package.
Base Product Number : XC6220A31B
1A 3.15V Fixed Output LDO Linear Regulator Low Quiescent Current SOT-89-5 Torex
Q: What is the output voltage of the XC6220A31BPR-G?
A: The fixed output voltage is 3.15V.
Q: What is the maximum output current?
A: It can deliver up to 1A of continuous output current.
Q: What is the input voltage range?
A: The input voltage is 3.15V, designed for stable regulation at this level.
Q: What is the dropout voltage?
A: The dropout voltage is 0.655V at a 1A load.
Q: What is the quiescent current?
A: The quiescent current is only 18 μA, ideal for battery-powered devices.
Q: What package is available?
A: It comes in a SOT-89-5 package.