onsemi LP2950CZ-3.0RAG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.20 | $1.20 |
| 15+ | $1.16 | $17.40 |
| 25+ | $1.13 | $28.25 |
| 50+ | $1.07 | $53.50 |
| 100+ | $0.95 | $95.00 |
| N+ | $0.19 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 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, Formed Leads |
| Supplier Device Package | TO-92 (TO-226) |
| ROHS |
The LP2950CZ-3.0RAG from onsemi is a classic 100mA LDO regulator delivering a fixed 3.0V output. Its low dropout voltage of 0.45V at full load and quiescent current of 120µA make it an efficient choice for battery-powered applications. The TO-92 package is through-hole friendly, ideal for prototyping and low-cost consumer electronics. It offers reliable, low-noise performance for analog and digital circuits.
- Low Dropout: 0.45V at 100mA maximizes battery utilization.
- Low Quiescent Current: 120µA reduces standby power consumption.
- Through-Hole Package: TO-92 is easy to solder and replace in legacy designs.
- Stable 3.0V Output: Ideal for 3V logic and analog circuits.
Battery-Powered Microcontrollers
The LP2950CZ-3.0RAG is ideal for 3V logic circuits in battery-powered devices. Its low dropout of 0.45V allows operation from a 3.6V lithium cell until nearly fully discharged.
Portable Test Equipment
In multimeters and handheld calibrators, this LDO provides a stable 3.0V reference rail for precision analog circuits, with low noise and good line regulation.
Remote Controls
For IR and RF remote controls, the TO-92 package is easy to insert and the 100mA output is sufficient for the transmitter and encoder ICs, ensuring reliable operation.
Memory Backup Circuits
The low quiescent current of 120µA makes it suitable for powering SRAM or RTC backup circuits, maintaining data integrity when the main power is removed.
Sensor Interfaces
In environmental monitoring, this regulator powers 3V sensors and signal conditioning circuits, providing a clean supply that minimizes measurement errors.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.45V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 120 µA.
- Q: What package is available?
- A: It comes in a TO-92 (TO-226) package.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.45V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 120 µA.
- Q: What package is available?
- A: It comes in a TO-92 (TO-226) package.

LP2950CZ-3.0RAG.pdf