Microchip Technology LP2951-02YN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.84 | $0.84 |
| 15+ | $0.81 | $12.15 |
| 25+ | $0.79 | $19.75 |
| 50+ | $0.75 | $37.50 |
| 100+ | $0.66 | $66.00 |
| N+ | $0.13 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 1.24V (5V) |
| Voltage - Output (Max) | 29V |
| Voltage Dropout (Max) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 150 µA |
| Current - Supply (Max) | 14 mA |
| PSRR | - |
| Control Features | Enable, Error Flag |
| Protection Features | - |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP |
| ROHS |
The LP2951-02YN from Microchip Technology is an adjustable low dropout linear regulator with a 1.24V reference, capable of outputting up to 29V. It delivers 100mA with a low dropout of 0.6V. The quiescent current is a modest 150 µA, making it suitable for battery-powered devices. The 8-PDIP package is through-hole friendly for prototyping and industrial control boards.
- Adjustable Output: Flexible 1.24V to 29V range suits diverse applications.
- Low Quiescent Current: 150 µA extends battery life in portable instruments.
- Low Dropout: 0.6V at 100mA maximizes efficiency in low-headroom designs.
- Through-Hole Package: 8-PDIP is easy to solder and replace in legacy designs.
High-Voltage Sensor Interfaces
With adjustable output up to 29V, it can power industrial sensors requiring higher bias voltages, while maintaining low dropout.
Battery-Powered Instrumentation
The 150 µA quiescent current extends battery life in portable multimeters and data loggers.
Precision Voltage References
The 1.24V reference can be scaled to create a stable, low-noise reference for ADC circuits.
Automotive ECUs
Operates from a 12V battery bus, providing regulated 5V or other voltages for microcontroller and sensor rails.
Telecom Line Cards
Adjustable output allows tailoring to specific line driver requirements, with low dropout for efficiency.
Laboratory Power Supplies
As a post-regulator, it provides clean, adjustable output for benchtop experiments.
- Q: What is the output voltage of the LP2951-02YN?
- A: The output voltage is adjustable, with a reference of 1.24V. It can be set up to 29V using external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can be up to 30V (based on 29V max output plus dropout). Refer to datasheet for absolute maximums.
- 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 150 µA.
- Q: What package is available?
- A: It comes in an 8-PDIP package.
- Q: What is the output voltage of the LP2951-02YN?
- A: The output voltage is adjustable, with a reference of 1.24V. It can be set up to 29V using external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can be up to 30V (based on 29V max output plus dropout). Refer to datasheet for absolute maximums.
- 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 150 µA.
- Q: What package is available?
- A: It comes in an 8-PDIP package.

LP2951-02YN.pdf