National Semiconductor LP3985IM5-2.6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.24 | $0.24 |
| 15+ | $0.23 | $3.45 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.21 | $10.50 |
| 100+ | $0.19 | $19.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 2.6V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.1V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 150 µA |
| Current - Supply (Max) | 250 µA |
| PSRR | 50dB ~ 40dB (1kHz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
The LP3985IM5-2.6 is a fixed 2.6V low dropout regulator from National Semiconductor, offering up to 150mA of output current. It features an impressively low dropout voltage of just 0.1V at full load and a quiescent current of 150 µA. With PSRR of 50dB at 1kHz, it provides adequate noise filtering for consumer and portable applications. The SOT-23-5 package ensures easy integration.
- Very Low Dropout: 0.1V at 150mA maximizes efficiency in battery applications.
- High Output Current: 150mA supports a wide range of loads.
- Good Noise Rejection: 50dB PSRR at 1kHz for stable operation.
- Standard Package: SOT-23-5 is widely used and easy to assemble.
Battery-Powered Consumer Electronics
Low dropout of 0.1V at 150mA allows efficient operation from a 2.8V battery down to 2.7V, maximizing usable battery capacity.
Digital Cameras
Provides stable 2.6V rail for image sensors and DSP cores, ensuring consistent performance during high-current capture bursts.
Portable Gaming Devices
150mA output with low dropout supports processor and display power in handheld gaming consoles.
Bluetooth Modules
Clean 2.6V supply with 50dB PSRR at 1kHz reduces interference in Bluetooth transceivers.
Smart Home Sensors
Compact SOT-23-5 package and reliable performance suit always-on smart home sensor nodes.
Wearable Fitness Trackers
Low dropout and moderate quiescent current balance performance and battery life for fitness wearables.
- Q: What is the output voltage of the LP3985IM5-2.6?
- A: The output voltage is fixed at 2.6V.
- Q: What is the maximum output current?
- A: The maximum output current is 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.1V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 150 µA.
- Q: What is the PSRR performance?
- A: PSRR is 50dB at 1kHz and 40dB at 10kHz.
- Q: What is the output voltage of the LP3985IM5-2.6?
- A: The output voltage is fixed at 2.6V.
- Q: What is the maximum output current?
- A: The maximum output current is 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.1V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 150 µA.
- Q: What is the PSRR performance?
- A: PSRR is 50dB at 1kHz and 40dB at 10kHz.

LP3985IM5-2.6.pdf