Texas Instruments LP2950CZ-5.0/LFT1
| 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 | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 5V |
| 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, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| 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-5.0/LFT1 is a fixed 5V low dropout linear regulator from Texas Instruments, delivering up to 100mA of output current. Its low quiescent current of 120 µA and dropout voltage of 0.6V at full load make it ideal for battery-powered and energy-sensitive applications. Housed in a through-hole TO-92-3 package, this regulator provides a simple, reliable solution for maintaining a stable voltage rail in a wide range of embedded systems.
- Extended Battery Life: The ultra-low 120 µA quiescent current minimizes standby power consumption, ideal for portable devices.
- Stable 5V Output: Fixed 5.0V output with 0.6V dropout ensures consistent performance even when input voltage is close to the output.
- Simple Through-Hole Design: TO-92-3 package is easy to solder and breadboard, simplifying prototyping and low-cost production.
- Proven Reliability: Texas Instruments' LP2950 series is a well-established LDO architecture known for thermal overload protection and short-circuit current limiting.
Battery-Powered Instrumentation
The LP2950CZ-5.0/LFT1's low 120 µA quiescent current extends battery life in portable multimeters and data loggers, where a stable 5V rail is required for analog-to-digital converters.
Microcontroller Power Supply
With a 5V fixed output and 100mA capability, this LDO can power small 8-bit microcontrollers and their peripheral sensors, ensuring clean, regulated voltage for reliable logic operation.
Automotive Sensor Interfaces
The TO-92 package and 0.6V dropout at 100mA make it suitable for automotive sensor modules that operate from a 6V to 12V battery bus, providing a stable 5V reference for signal conditioning circuits.
Industrial Control Loops
In 4-20mA loop-powered transmitters, the LP2950CZ-5.0/LFT1 regulates the loop voltage down to 5V for the sensing element and ADC, maintaining accuracy despite supply variations.
Portable Audio Equipment
For low-power audio codecs requiring a quiet 5V supply, this regulator's low noise and stable output help preserve signal integrity in battery-operated recorders and headphone amplifiers.
Reference Voltage for Comparators
The precise 5V output can serve as a reference for voltage comparators in threshold detection circuits, such as over-voltage or under-voltage monitors in power management systems.
- Q: What is the output voltage of the LP2950CZ-5.0/LFT1?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; typically it must be above 5.6V for regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: The device comes in a TO-92-3 package.
LP2950CZ-5.0/LFT1.pdf
- Q: What is the output voltage of the LP2950CZ-5.0/LFT1?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; typically it must be above 5.6V for regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.6V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: The device comes in a TO-92-3 package.
