Texas Instruments LP2950-33LPE3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.19 | $1.19 |
| 15+ | $1.15 | $17.25 |
| 25+ | $1.13 | $28.25 |
| 50+ | $1.06 | $53.00 |
| 100+ | $0.94 | $94.00 |
| N+ | $0.19 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| 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) | 0.6V @ 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 Texas Instruments LP2950-33LPE3 is a fixed 3.3V low-dropout regulator delivering up to 100mA. Housed in a TO-92-3 package, it features an ultra-low quiescent current of 120µA and a typical dropout of 0.6V at full load. This makes it ideal for battery-powered and portable applications where power efficiency is critical. Its stable output and low noise profile suit precision analog and digital circuits.
- Ultra-Low Quiescent Current: 120µA extends battery life in always-on applications.
- Low Dropout: 0.6V at 100mA allows operation from nearly depleted batteries.
- Compact TO-92 Package: Small footprint for space-constrained designs.
- Stable 3.3V Output: Ideal for modern 3.3V logic and sensors.
Battery-Powered IoT Sensors
With 120µA quiescent current, it extends battery life in wireless sensors and beacons, regulating 3.3V for MCUs and radios.
Portable Medical Devices
Provides stable 3.3V for glucose monitors and pulse oximeters, with low dropout maximizing battery utilization.
Wearable Electronics
Compact TO-92 package fits tight PCB spaces in smartwatches and fitness trackers, delivering clean power to sensors.
Energy Harvesting Systems
Regulates low-voltage outputs from solar cells or thermoelectric generators, with 0.6V dropout enabling operation from weak sources.
Reference Voltage for ADCs
Low noise and stable 3.3V output serves as a reference for analog-to-digital converters in instrumentation.
Automotive Key Fobs
Powers 3.3V logic in remote keyless entry systems, with low quiescent current for standby mode.
- Q: What is the output voltage?
- A: The LP2950-33LPE3 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (requires input above 3.9V for regulation).
- Q: What is the dropout voltage?
- A: Typical dropout is 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is very low at 120 µA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
LP2950-33LPE3.pdf
- Q: What is the output voltage?
- A: The LP2950-33LPE3 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (requires input above 3.9V for regulation).
- Q: What is the dropout voltage?
- A: Typical dropout is 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: Quiescent current is very low at 120 µA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
