onsemi LP2950CZ-3.3G

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Product attributes Property Value
Manufacturer onsemi
Product Series
Packaging Factory | 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 -
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 Long Body
Supplier Device Package TO-92 (TO-226)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LP2950CZ-3.3G from onsemi is a fixed 3.3V low dropout linear regulator capable of delivering 100mA. With a dropout voltage of just 0.45V at full load and a quiescent current of 120µA, it is optimized for battery-powered and energy-sensitive applications. The TO-92 package offers easy through-hole mounting for prototyping and production.

  • Extended Battery Life: 120µA quiescent current minimizes standby power consumption.
  • Low Dropout: 0.45V dropout at 100mA allows operation from nearly depleted batteries.
  • Stable 3.3V Output: Fixed output eliminates external resistor divider, reducing component count.
  • Through-Hole Package: TO-92 package simplifies assembly and is ideal for hobbyist and industrial boards.

Battery-Powered Devices

With a low quiescent current of 120µA and 100mA output, the LP2950CZ-3.3G is ideal for extending battery life in portable instruments, remote sensors, and handheld meters.

Microcontroller Power Supply

Provides a stable 3.3V rail for 8-bit and 32-bit MCUs, ensuring reliable operation with a dropout of only 0.45V, allowing operation from a 3.6V Li-ion cell.

Reference Voltage Source

The low output noise and tight regulation make it suitable as a precision reference for ADC circuits and analog front-ends.

Automotive Electronics

Operates over a wide input range, making it suitable for automotive sensors and modules that experience varying battery voltages.

Industrial Control Systems

TO-92 package and thermal characteristics support industrial control boards requiring a simple, cost-effective 3.3V supply.

IoT End Nodes

Low dropout and low quiescent current enable efficient power conversion from a single Li-ion or two AA batteries in wireless sensor nodes.

Q: What is the output voltage of the LP2950CZ-3.3G?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: The input voltage must be above 3.3V plus the dropout voltage; typically up to 30V.
Q: What is the dropout voltage?
A: Dropout is 0.45V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 120µA.
Q: What package is available?
A: It comes in a TO-92 (TO-226) package.
Base Product Number : LP2950CZ-3.3G
100mA 3.3V LDO Linear Regulator Low Dropout Low Quiescent Current onsemi TO-92
Q: What is the output voltage of the LP2950CZ-3.3G?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: It can deliver up to 100mA.
Q: What is the input voltage range?
A: The input voltage must be above 3.3V plus the dropout voltage; typically up to 30V.
Q: What is the dropout voltage?
A: Dropout is 0.45V at 100mA load.
Q: What is the quiescent current?
A: The quiescent current is 120µA.
Q: What package is available?
A: It comes in a TO-92 (TO-226) package.