Texas Instruments LP2950CZ-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.93 | $0.93 |
| 15+ | $0.90 | $13.50 |
| 25+ | $0.88 | $22.00 |
| 50+ | $0.83 | $41.50 |
| 100+ | $0.74 | $74.00 |
| N+ | $0.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tray | |
| 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) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 14 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 (TO-226AA) |
| Supplier Device Package | TO-92-3 |
| ROHS |
The LP2950CZ-3.3/NOPB is a fixed 3.3V low dropout regulator from Texas Instruments, delivering up to 100mA with a dropout voltage of only 0.6V. Its low quiescent current of 120 µA makes it an excellent choice for battery-powered and always-on applications. The TO-92-3 package is easy to use in through-hole designs and provides adequate thermal performance for low-power circuits. This device offers stable, noise-free output for analog and digital loads.
- Ultra-Low Quiescent Current: 120 µA extends battery life in portable devices.
- Low Dropout: 0.6V at 100mA allows operation from nearly depleted batteries.
- Through-Hole TO-92: Easy prototyping and manual assembly, ideal for hobbyist and industrial boards.
- Proven TI Reliability: Texas Instruments quality with thermal and short-circuit protection.
Battery-Powered Instruments
With only 120 µA quiescent current, this LDO is ideal for smoke detectors, remote controls, and other battery-operated devices requiring long shelf life.
Low-Power Microcontrollers
Provides a stable 3.3V rail for MSP430, PIC, and other low-power MCUs in sensor nodes and wearables.
Analog Reference Supply
Low dropout and good line regulation make it suitable for powering op-amps and ADC references in precision measurement circuits.
Automotive Electronics
TO-92 package with thermal protection suits engine control sensors and dashboard modules where through-hole assembly is preferred.
Portable Audio Devices
Clean 3.3V supply for audio codecs and amplifiers, minimizing hum and noise in headphone outputs.
Industrial Control Systems
Reliable regulation for PLC I/O modules and field transmitters operating from 5V or 12V rails.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Input must be above 3.3V + dropout (0.6V typical at 100mA), so minimum ~3.9V.
- Q: What is the dropout voltage?
- A: 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: 120 µA typical.
- Q: What package is available?
- A: TO-92-3 (through-hole).
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Input must be above 3.3V + dropout (0.6V typical at 100mA), so minimum ~3.9V.
- Q: What is the dropout voltage?
- A: 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: 120 µA typical.
- Q: What package is available?
- A: TO-92-3 (through-hole).

LP2950CZ-3.3/NOPB.pdf