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Product attributes Property Value
Manufacturer Torex Semiconductor Ltd
Product Series XC9140
Packaging Cut Tape (CT) | 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) 2.8V
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 XC9140C2824R-G from Torex Semiconductor is a compact step-up (Boost) DC-DC converter optimized for low-power, battery-operated devices. It accepts an input voltage from 0.9V to 5.5V and delivers a fixed 2.8V output with up to 100mA of current. The device is housed in a 6-XDFN package with an exposed pad for improved thermal performance, making it suitable for miniaturized wearable and portable electronics.

  • Ultra-Compact XDFN Package: Ideal for space-limited designs like earbuds and wearables.
  • Low Input Voltage: Starts from 0.9V, compatible with single-cell batteries.
  • Fixed 2.8V Output: Simplifies power supply design for low-voltage logic.
  • Exposed Pad: Enhances heat dissipation for reliable operation.

Bluetooth Low Energy Modules

Boosts a single-cell battery to a stable 2.8V for BLE SoCs, ensuring consistent RF performance.

Hearing Aids and Audiology Devices

Provides a low-noise 2.8V rail from a zinc-air battery, extending operating life in compact form factors.

Portable Gaming Devices

Powers low-voltage logic and display drivers from a single AA or AAA battery.

Smart Cards and RFID Tags

Raises the voltage from a thin-film battery to 2.8V for contactless communication circuits.

Wearable Fitness Trackers

Maintains a regulated 2.8V supply for sensors and MCUs as the battery voltage declines.

Wireless Earbuds

Compact XDFN package fits inside tiny earbud enclosures, boosting battery voltage to 2.8V for audio codecs.

Q: What type of converter is the XC9140C2824R?
A: It is a step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: It operates from 0.9V to 5.5V input.
Q: What is the output voltage?
A: The output is fixed at 2.8V.
Q: What is the maximum output current?
A: It can deliver up to 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 : XC9140C2824
0.9V-5.5V 100mA Battery-Powered Boost DC-DC Converter Step-Up Torex Semiconductor Wearable XDFN
Q: What type of converter is the XC9140C2824R?
A: It is a step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: It operates from 0.9V to 5.5V input.
Q: What is the output voltage?
A: The output is fixed at 2.8V.
Q: What is the maximum output current?
A: It can deliver up to 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.