Torex Semiconductor Ltd XC9140C4424R-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) | 4.4V |
| 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 |
The XC9140C4424R-G from Torex Semiconductor is a high-efficiency synchronous boost DC-DC converter designed for compact, battery-powered applications. It accepts an input voltage from 0.9V to 5.5V and delivers a fixed 4.4V output with a maximum current of 100mA. The device is housed in a space-saving 6-XDFN exposed pad package, making it ideal for space-constrained designs. Its low start-up voltage and high efficiency make it suitable for portable electronics, IoT devices, and single-cell battery systems.
- Wide Input Range (0.9V-5.5V): Operates from a single alkaline cell or Li-ion battery, enabling versatile power source options.
- Fixed 4.4V Output: Provides a stable, regulated voltage without external feedback resistors, simplifying design.
- Compact 6-XDFN Package: Minimizes PCB footprint, ideal for space-constrained wearable and portable devices.
- Synchronous Boost Topology: Ensures high efficiency, extending battery life in power-sensitive 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 stable 4.4V rail for sensors, microcontrollers, and wireless transceivers.
Portable Medical Devices
The compact 6-XDFN package and low 100mA current capability suit wearable monitors and glucose meters, where space is critical and a regulated 4.4V supply extends battery life.
Wireless Earbuds and Charging Cases
Boost from a Li-ion cell (2.8-4.2V) to a stable 4.4V for audio codecs or LED drivers, ensuring consistent performance as the battery discharges.
Energy Harvesting Systems
For low-voltage sources like thermoelectric generators or small solar cells (0.9V+), the XC9140C4424R-G steps up to 4.4V to power microcontrollers and sensors in remote monitoring.
Handheld Test Equipment
Provides a clean, regulated 4.4V supply from a 2-cell battery pack, improving measurement accuracy and reducing noise in portable multimeters or signal generators.
- Q: What type of converter is the XC9140C4424R-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 4.4V.
- 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.
- Q: What type of converter is the XC9140C4424R-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 4.4V.
- 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.

XC9140C4424R-G.pdf