Texas Instruments LP3988IMFX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.56 | $0.56 |
| 15+ | $0.54 | $8.10 |
| 25+ | $0.53 | $13.25 |
| 50+ | $0.50 | $25.00 |
| 100+ | $0.44 | $44.00 |
| N+ | $0.09 | 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) | 3.3V |
| 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 LP3988IMFX-3.3/NOPB from Texas Instruments is a fixed 3.3V LDO delivering 150mA. With 120 µA quiescent current and 0.15V dropout, it's optimized for battery-powered devices. The SOT-23-5 package is ideal for space-limited applications, and PSRR of 65dB at 1kHz ensures clean output.
- Low Dropout: 0.15V at 150mA maximizes efficiency when input voltage is close to output.
- Compact Size: SOT-23-5 package is ideal for miniaturized consumer electronics.
- Good Noise Rejection: 65dB PSRR at 1kHz reduces ripple from switching converters.
- Stable Output: Designed for low ESR ceramic capacitors, simplifying BOM.
Mobile Phone Audio Codecs
3.3V output with 65dB PSRR at 1kHz provides clean supply for audio codecs, reducing noise and improving signal-to-noise ratio in voice and music playback.
Bluetooth Modules
150mA is sufficient for BLE SoCs and RF front-ends. Low dropout of 0.15V allows operation from a 3.6V Li-ion battery down to 3.45V.
Digital Cameras
Powers image sensors and DSP cores at 3.3V, with stable output during high-current flash operations.
GPS Receivers
Low noise characteristics prevent interference with sensitive RF reception, ensuring accurate positioning.
Portable Gaming Consoles
Compact SOT-23-5 package fits tight layouts, while 120 µA quiescent current helps conserve battery during standby.
Smart Home Sensors
Reliable 3.3V rail for temperature, humidity, and motion sensors, with low dropout extending operational life from battery packs.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum current?
- A: 150mA maximum output current.
- Q: What is the input voltage range?
- A: Not specified in provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: 120 µA quiescent current.
- Q: What package is available?
- A: SOT-23-5 package.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: What is the maximum current?
- A: 150mA maximum output current.
- Q: What is the input voltage range?
- A: Not specified in provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: 120 µA quiescent current.
- Q: What package is available?
- A: SOT-23-5 package.

LP3988IMFX-3.3/NOPB.pdf