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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) 3.1V
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 6-XDFN Exposed Pad
Supplier Device Package 6-USPEL (1.8x2)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC9140C3114R-G is a high-efficiency synchronous boost DC-DC converter designed to deliver a fixed 3.1V output from a low-voltage input source. Operating from 0.9V to 5.5V, it supports single-cell battery applications. The device provides up to 100mA output current, making it suitable for low-power portable electronics. Its compact 6-XDFN package is ideal for space-limited designs. Typical applications include battery-powered devices, wearables, and IoT sensors.

  • Low Start-Up Voltage: Operates from 0.9V, enabling use with nearly depleted batteries or single-cell power sources.
  • Compact Footprint: The 6-XDFN Exposed Pad package minimizes PCB area, ideal for miniaturized designs.
  • Fixed Output: Provides a stable 3.1V rail without external resistor dividers, simplifying design and reducing BOM count.
  • Synchronous Rectification: Improves efficiency, extending battery life in portable applications.

Battery-Powered IoT Sensors

With a minimum input voltage of 0.9V, this boost converter can operate from a single alkaline or NiMH cell, efficiently generating a regulated 3.1V rail for sensors, microcontrollers, and wireless transceivers.

Wearable Electronics

The compact 6-XDFN package and low 100mA current capability make it ideal for space-constrained wearables like smart watches and fitness bands, where extending battery life is critical.

Portable Medical Devices

Devices such as glucose monitors and digital thermometers benefit from the stable 3.1V output, ensuring consistent operation of sensitive analog and digital circuits even as the battery voltage declines.

Remote Controls and Key Fobs

Boost converters allow these devices to maintain full functionality over the entire battery discharge curve, preventing early shutdown and improving user experience.

Energy Harvesting Systems

For low-voltage energy harvesters (e.g., thermoelectric or photovoltaic cells), the 0.9V start-up capability enables boosting to a usable 3.1V for storage or direct load supply.

Q: What type of converter is the XC9140C3114R-G?
A: It is a synchronous step-up (Boost) DC-DC converter IC.
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 3.1V.
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 a 6-XDFN Exposed Pad package.
Base Product Number : XC9140C3114R
0.9V-5.5V 100mA 3.1V 6-XDFN Battery-Powered Boost DC-DC Converter IoT Wearable
Q: What type of converter is the XC9140C3114R-G?
A: It is a synchronous step-up (Boost) DC-DC converter IC.
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 3.1V.
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 a 6-XDFN Exposed Pad package.