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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 Torex XC9140C382MR-G is a synchronous boost DC-DC converter providing a fixed 3.8V output. It operates from an input voltage between 0.9V and 5.5V, delivering up to 100mA. The SC-74A (SOT-753) package enables compact designs. This converter is ideal for applications requiring a slightly higher voltage rail, such as LED drivers and portable instruments, offering efficient and stable power conversion.

  • Higher Output Voltage: 3.8V output is perfect for LEDs and sensors requiring a higher bias voltage.
  • Wide Input Compatibility: Works with various power sources from 0.9V to 5.5V.
  • Efficient Operation: Synchronous rectification minimizes losses, extending battery life.
  • Minimal Footprint: SC-74A package saves valuable PCB area.

White LED Drivers

The 3.8V output is suitable for driving white LEDs in series or parallel with a current-limiting resistor, providing consistent brightness in flashlights and displays.

Portable Printers

Provides a stable 3.8V rail for thermal print heads and control logic, ensuring consistent print quality from battery power.

Handheld Barcode Scanners

Delivers reliable power to the laser diode and decoding circuitry, ensuring accurate scanning performance.

Wireless Microphones

Maintains a clean 3.8V supply for RF transmitters, reducing signal distortion and extending transmission range.

Electric Toothbrushes

Powers the motor and control electronics from a single rechargeable cell, ensuring consistent brushing performance.

Q: What type of converter is the XC9140C382MR-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 comes in SC-74A (SOT-753) package.
Base Product Number : XC9140C382MR
0.9V-5.5V 100mA 3.8V Output Barcode Scanner Boost DC-DC Converter LED Driver SC-74A SOT-753 Step-Up Torex Wireless
Q: What type of converter is the XC9140C382MR-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 comes in SC-74A (SOT-753) package.