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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) 3.7V
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 XC9140C371MR-G from Torex Semiconductor is a synchronous boost DC-DC converter that provides a fixed 3.7V output. It operates from an input voltage between 0.9V and 5.5V, making it suitable for a wide range of battery-powered applications. The converter is capable of delivering up to 100mA of output current. Housed in a compact SC-74A (SOT-753) package, it is designed for efficient, space-saving integration.

  • Optimized for Li-ion: 3.7V output is ideal for powering circuits designed around Li-ion battery voltages.
  • Low Voltage Operation: Starts from 0.9V, allowing use with nearly depleted batteries.
  • Compact and Lightweight: Small package suitable for portable and wearable devices.
  • Stable Output: Ensures reliable performance of sensitive electronics.

Li-ion Battery Powered Devices

Ideal for boosting a single Li-ion cell (3.0-4.2V) to a stable 3.7V rail, ensuring consistent performance for LEDs, sensors, and microcontrollers.

Medical Monitoring Devices

Provides a regulated supply for wearable health monitors, such as heart rate or blood oxygen sensors, where stable voltage is critical for accurate readings.

GPS Trackers

Maintains a reliable 3.7V supply for GPS modules and communication radios, extending battery life in asset tracking devices.

Electronic Cigarettes

Delivers a consistent voltage to the heating element, ensuring a uniform experience as the battery voltage drops.

Portable Power Banks

Can be used in the control circuitry to generate a stable internal rail for battery management and display functions.

Q: What type of converter is the XC9140C371MR-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 3.7V.
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 : XC9140C371
0.9V-5.5V 100mA 3.7V Output Boost DC-DC Converter GPS Li-ion Medical SC-74A SOT-753
Q: What type of converter is the XC9140C371MR-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 3.7V.
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.