Torex Semiconductor Ltd XC9140C321MR-G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.82 | $1.82 |
| 15+ | $0.42 | $6.30 |
| 25+ | $0.41 | $10.25 |
| 50+ | $0.39 | $19.50 |
| 100+ | $0.35 | $35.00 |
| N+ | $0.07 | Price Inquiry |
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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) | 3.2V |
| 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 |
The XC9140C321MR-G from Torex Semiconductor is a synchronous boost DC-DC converter that provides a fixed 3.2V output from a 0.9V to 5.5V input. It supports up to 100mA of output current, making it ideal for battery-powered applications such as wearables, IoT devices, and portable electronics. The device comes in a compact SC-74A (SOT-753) package, offering a space-efficient solution for modern designs.
- Low Start-Up Voltage: Operates from 0.9V, perfect for single-cell batteries.
- High Efficiency: Synchronous rectification extends battery life.
- Compact Package: SC-74A/SOT-753 saves valuable board space.
- Fixed Output: Regulated 3.2V ensures stable performance.
Low-Power Microcontrollers
Many MCUs operate at 3.2V; this converter can power them from a single cell, enabling battery-operated sensor nodes.
Bluetooth Low Energy Beacons
BLE beacons require a stable voltage for consistent broadcasting; this boost converter ensures reliable operation from a coin cell or AA battery.
Portable Thermometers
Digital thermometers can maintain accuracy with a regulated 3.2V supply, even as the battery voltage declines.
Wearable Fitness Trackers
Fitness bands with displays and sensors benefit from the high efficiency and small package, extending battery life.
Remote Keyless Entry
Car key fobs can use this converter to boost a single battery to 3.2V, ensuring reliable RF transmission.
- Q: What type of converter is the XC9140C321MR-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 3.2V.
- 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 and SOT-753 packages.
- Q: What type of converter is the XC9140C321MR-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 3.2V.
- 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 and SOT-753 packages.

XC9140C321MR-G.pdf