Texas Instruments LP3988IMF-3.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.12 | $1.12 |
| 15+ | $0.63 | $9.45 |
| 25+ | $0.62 | $15.50 |
| 50+ | $0.59 | $29.50 |
| 100+ | $0.52 | $52.00 |
| N+ | $0.10 | 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) | 6V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.15V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 200 µA |
| PSRR | 65dB ~ 45dB (1kHz ~ 10kHz) |
| Control Features | Enable, Power Good |
| Protection Features | 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 |
| ROHS |
The LP3988IMF-3.0/NOPB is a 150mA LDO linear regulator from National Semiconductor, offering a fixed 3.0V output. With a low dropout voltage of 0.15V at full load and a quiescent current of 120 µA, it balances performance and efficiency. The SOT-23-5 package is widely used in portable electronics.
- Low Dropout: 0.15V at 150mA allows operation with minimal headroom.
- Good Noise Rejection: 65dB PSRR at 1kHz for clean audio supply.
- Standard Package: SOT-23-5 is easy to assemble and widely available.
- Reasonable Quiescent Current: 120 µA balances performance and battery life.
Mobile Phone Audio
With 65dB PSRR at 1kHz, it provides clean power to audio codecs and amplifiers, reducing audible noise.
GPS Receivers
Low dropout of 0.15V ensures stable 3.0V supply for GPS modules even with battery voltage near 3.2V.
Digital Cameras
Powers image sensors and DSPs with 150mA, maintaining regulation during capture bursts.
Bluetooth Modules
Stable 3.0V rail for Bluetooth Classic modules, with SOT-23-5 package easy to route on small PCBs.
Portable Gaming Devices
Provides clean power to processors, with PSRR filtering noise from switching chargers.
- Q: What is the output voltage of the LP3988IMF-3.0?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
- Q: What is the output voltage of the LP3988IMF-3.0?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.

LP3988IMF-3.0/NOPB.pdf