Texas Instruments LP3988IMF-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.77 | $0.77 |
| 15+ | $0.75 | $11.25 |
| 25+ | $0.73 | $18.25 |
| 50+ | $0.69 | $34.50 |
| 100+ | $0.61 | $61.00 |
| N+ | $0.12 | 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) | 2.5V |
| 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 Texas Instruments LP3988IMF-2.5/NOPB is a fixed 2.5V low dropout linear regulator delivering up to 150mA. Its ultra-low 120µA quiescent current and 150mV dropout voltage make it ideal for battery-powered applications. The SOT-23-5 package offers a compact footprint, while PSRR of 65dB at 1kHz ensures clean output for noise-sensitive circuits.
- Extended Battery Life: Ultra-low 120µA quiescent current minimizes standby power draw.
- High Efficiency at Low Dropout: 150mV dropout at 150mA allows operation close to the output voltage.
- Clean Power Delivery: 65dB PSRR at 1kHz suppresses input ripple for sensitive loads.
- Compact SOT-23-5 Package: Saves board space in space-constrained designs.
Battery-Powered Portable Devices
The LP3988's low 120µA quiescent current and 150mV dropout at full load extend battery life in handheld instruments, wearables, and remote sensors where every milliamp matters.
Noise-Sensitive Analog Circuits
With PSRR of 65dB at 1kHz and 45dB at 10kHz, this LDO effectively filters power supply ripple for precision op-amps, ADCs, and audio codecs.
Wireless Module Power Supply
Stable 2.5V output with fast transient response supports RF transceivers, Bluetooth modules, and IoT SoCs requiring clean, regulated rails.
Industrial Sensor Interfaces
The SOT-23-5 package and 150mA capability suit compact industrial transmitters and PLC I/O modules needing local regulation.
Portable Medical Monitors
Low dropout and low noise characteristics make it suitable for glucose meters, pulse oximeters, and other battery-operated diagnostic tools.
Reference Voltage Buffering
Use as a post-regulator after a DC-DC converter to reduce switching noise and provide a precise 2.5V rail for analog references.
- Q: What is the output voltage of the LP3988IMF-2.5/NOPB?
- A: The fixed output voltage is 2.5V.
- 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 2.5V to 6V (based on output type).
- Q: What is the dropout voltage?
- A: The dropout voltage is 150mV at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP3988IMF-2.5/NOPB.pdf
- Q: What is the output voltage of the LP3988IMF-2.5/NOPB?
- A: The fixed output voltage is 2.5V.
- 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 2.5V to 6V (based on output type).
- Q: What is the dropout voltage?
- A: The dropout voltage is 150mV at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
