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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 XC9140C3124R-G from Torex Semiconductor is a synchronous boost converter delivering a fixed 3.1V output. It accepts an input voltage from 0.9V to 5.5V and provides up to 100mA of output current. Housed in a compact 6-XDFN Exposed Pad package, this converter is designed for battery-powered and portable applications where efficiency and small size are essential.

  • Low Input Voltage Operation: Starts from 0.9V, ideal for single-cell batteries.
  • Fixed 3.1V Output: Provides a precise voltage for sensitive analog circuits.
  • High Efficiency Synchronous Design: Maximizes battery life.
  • Compact Package: Suitable for space-constrained designs.

LED Flash Drivers

For camera phones or portable lights, a 3.1V output can drive high-brightness LEDs with a simple resistor, providing consistent illumination from a single Li-ion cell.

Portable Instrumentation

Handheld multimeters and test equipment often require a 3.1V reference rail. This boost converter ensures stable operation from battery supplies.

Wireless Headphones

Charging cases and earbuds can use this converter to boost a Li-ion battery to 3.1V for the audio amplifier and DSP, maintaining audio quality.

Smart Cards and Readers

Contactless smart card readers need a stable 3.1V supply for the RF interface. The low startup voltage ensures operation from a nearly depleted battery.

Medical Monitoring Patches

Wearable health patches that measure ECG or temperature can operate from a tiny battery, with the boost converter providing a regulated 3.1V rail.

Q: What type of converter is the XC9140C3124R-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 3.1V.
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 : XC9140C3124R
0.9V-5.5V 100mA 3.1V Output 6-XDFN Boost DC-DC Converter LED Driver Medical Portable
Q: What type of converter is the XC9140C3124R-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 3.1V.
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.