Texas Instruments LP3988IMF-3.0
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.80 | $0.80 |
| 15+ | $0.63 | $9.45 |
| 25+ | $0.61 | $15.25 |
| 50+ | $0.58 | $29.00 |
| 100+ | $0.51 | $51.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Obsolete |
| Output Type | Positive |
| Number of Regulators | Fixed |
| 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 |
The LP3988IMF-3.0 is a fixed 3.0V low dropout regulator from National Semiconductor, delivering up to 150mA. Featuring a low 0.15V dropout at full load and 120µA quiescent current, it is designed for high-performance portable electronics. With 65dB PSRR at 1kHz, it ensures clean, stable power for sensitive analog and digital circuits.
- High Current Capacity: 150mA supports demanding loads like camera modules.
- Low Dropout: 0.15V at 150mA improves efficiency from battery sources.
- Excellent PSRR: 65dB at 1kHz reduces power supply noise.
- Low Quiescent Current: 120µA helps extend battery life.
Smartphone Power Management
150mA output and 65dB PSRR at 1kHz provide clean 3.0V supply for camera sensors and display drivers.
Portable Gaming Consoles
Low dropout of 0.15V at 150mA ensures efficient power conversion from a 3.7V Li-ion battery.
Digital Cameras
Stable 3.0V rail for image processors and memory cards, reducing noise-induced artifacts.
Bluetooth Audio Modules
PSRR of 65dB at 1kHz suppresses switching noise from digital audio codecs.
Wearable Fitness Trackers
120µA quiescent current and compact SOT-23-5 package suit small, battery-powered wearables.
Industrial Sensor Nodes
Reliable 3.0V output for industrial IoT sensors operating in noisy environments.
- Q: What is the output voltage?
- A: Fixed 3.0V output.
- Q: What is the maximum current?
- A: 150mA.
- Q: What is the input voltage range?
- A: Input must be above 3.0V plus dropout; typical range is 3.5V to 6V.
- Q: What is the dropout voltage?
- A: 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: 120µA.
- Q: What is the PSRR?
- A: 65dB at 1kHz, decreasing to 45dB at 10kHz.
LP3988IMF-3.0.pdf
- Q: What is the output voltage?
- A: Fixed 3.0V output.
- Q: What is the maximum current?
- A: 150mA.
- Q: What is the input voltage range?
- A: Input must be above 3.0V plus dropout; typical range is 3.5V to 6V.
- Q: What is the dropout voltage?
- A: 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: 120µA.
- Q: What is the PSRR?
- A: 65dB at 1kHz, decreasing to 45dB at 10kHz.
