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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.45V @ 100mA
Current - Output 100mA
Current - Quiescent (Iq) 120 µA
Current - Supply (Max) 12 mA
PSRR -
Control Features Current Limit, Enable, Error Flag
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC

The TC2951-3.3VOA from Microchip Technology is a 100mA low dropout regulator with a fixed 3.3V output. Featuring 120µA quiescent current and 0.45V dropout, it is optimized for low-power applications. The 8-SOIC package provides a standard, reliable form factor.

  • Standard 3.3V rail: Compatible with most digital ICs.
  • Low power: 120µA quiescent current for battery efficiency.
  • Robust package: 8-SOIC for easy assembly.
  • Microchip reliability: Suitable for long-life products.

Digital Logic Power

3.3V output is ideal for powering microcontrollers, FPGAs, and digital sensors.

Wireless Modules

Stable 3.3V rail for Wi-Fi, Bluetooth, and Zigbee modules in IoT devices.

Battery-Operated Equipment

Low quiescent current extends runtime in remote controls and portable gadgets.

Automotive Sensors

Reliable 3.3V supply for pressure and temperature sensors in vehicles.

Industrial Control Systems

Regulates power for PLCs and motor controllers in harsh environments.

Consumer Peripherals

Powers keyboards, mice, and other USB-connected devices.

Q: What is the output voltage?
A: Fixed 3.3V output.
Q: What is the maximum current?
A: 100mA.
Q: What is the input voltage range?
A: Not specified in provided data; consult datasheet.
Q: What is the dropout voltage?
A: 0.45V at 100mA.
Q: What is the quiescent current?
A: 120µA.
Q: What package is available?
A: 8-SOIC.
Base Product Number : TC2951-3.3VOA
100mA 3.3V 8-SOIC LDO Linear Regulator Low Quiescent Current Microchip
Q: What is the output voltage?
A: Fixed 3.3V output.
Q: What is the maximum current?
A: 100mA.
Q: What is the input voltage range?
A: Not specified in provided data; consult datasheet.
Q: What is the dropout voltage?
A: 0.45V at 100mA.
Q: What is the quiescent current?
A: 120µA.
Q: What package is available?
A: 8-SOIC.