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Product attributes Property Value
Manufacturer Torex Semiconductor Ltd
Product Series XC9140
Packaging Tape & Reel (TR) |
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 0.9V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 3.8V
Voltage - Output (Max) -
Current - Output 100mA
Frequency - Switching -
Synchronous Rectifier Yes
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 XC9140C381MR-G is a synchronous boost DC-DC converter from Torex Semiconductor, delivering a fixed 3.8V output. With an input range of 0.9V to 5.5V, it is well-suited for battery-powered devices. The converter can supply up to 100mA of current. Its compact SC-74A (SOT-753) package makes it an excellent choice for portable and space-constrained applications.

  • Consistent LED Brightness: Stable 3.8V output ensures uniform illumination for LED applications.
  • High Efficiency: Synchronous design minimizes power dissipation, extending battery life.
  • Wide Input Compatibility: Works with various battery configurations from 0.9V up to 5.5V.
  • Minimal External Components: Fixed output voltage reduces design complexity.

LED Flash Drivers

Provides a stable 3.8V supply for high-brightness LEDs in camera flashes or flashlights, ensuring consistent light output.

Portable Instrumentation

Powers precision analog circuits in handheld multimeters or signal generators, where a stable voltage rail is essential for measurement accuracy.

Wireless Modules

Supplies a regulated voltage to Wi-Fi or Bluetooth modules, preventing brownouts and ensuring reliable wireless communication.

Battery Backup Systems

Maintains a constant voltage for memory or real-time clocks in devices during main power loss, using a backup battery.

Smoke Detectors

Ensures reliable operation of the sensor and alarm circuitry from a single battery, extending the replacement interval.

Q: What type of converter is the XC9140C381MR-G?
A: It is a synchronous step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 0.9V to 5.5V.
Q: What is the output voltage?
A: The fixed output voltage is 3.8V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the switching frequency?
A: The switching frequency is not specified in the provided data.
Q: What package is available?
A: It is available in SC-74A and SOT-753 packages.
Base Product Number : XC9140C381
0.9V-5.5V 100mA 3.8V Output Boost DC-DC Converter LED Driver Portable SC-74A SOT-753 Wireless
Q: What type of converter is the XC9140C381MR-G?
A: It is a synchronous step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 0.9V to 5.5V.
Q: What is the output voltage?
A: The fixed output voltage is 3.8V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the switching frequency?
A: The switching frequency is not specified in the provided data.
Q: What package is available?
A: It is available in SC-74A and SOT-753 packages.