National Semiconductor LP3988IMFX-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.28 | $1.28 |
| 15+ | $0.29 | $4.35 |
| 25+ | $0.29 | $7.25 |
| 50+ | $0.27 | $13.50 |
| 100+ | $0.24 | $24.00 |
| N+ | $0.05 | 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) | 2.5V |
| 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 LP3988IMFX-2.5/NOPB is a low dropout linear regulator from National Semiconductor, offering a fixed 2.5V output and 150mA current capability. With a low quiescent current of 120 µA and excellent PSRR, it is designed for noise-sensitive and battery-operated applications. The SOT-23-5 package provides a compact, cost-effective solution for a wide range of portable electronics.
- Low Power Consumption: 120 µA quiescent current helps maximize battery life in portable devices.
- Excellent Noise Rejection: PSRR of 65dB at 1kHz ensures clean power for sensitive analog and RF circuits.
- Minimal Dropout: 0.15V dropout at 150mA allows operation close to the battery voltage, improving efficiency.
- Compact Footprint: SOT-23-5 package is ideal for space-constrained PCB designs.
Battery-Powered Consumer Electronics
The low 120 µA quiescent current and 150mA output are well-suited for digital cameras, MP3 players, and other portable gadgets requiring efficient power management.
Noise-Sensitive PLL and VCO Circuits
With PSRR of 65dB at 1kHz, this regulator ensures a stable, low-noise supply for phase-locked loops and voltage-controlled oscillators in communication devices.
Portable Medical Instruments
The precise 2.5V output and low dropout voltage support reliable operation of glucose monitors and portable diagnostic tools.
Wireless Headsets and Wearables
The compact SOT-23-5 package and low quiescent current make it ideal for small-form-factor devices where battery life is critical.
Sensor Interface Circuits
Its clean output helps maintain signal integrity for MEMS sensors and analog front-ends in industrial IoT applications.
Microcontroller Power Supply
Provides a stable 2.5V rail for low-power MCUs, ensuring reliable operation in embedded control systems.
- Q: What is the output voltage of the LP3988IMFX-2.5?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can provide up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: 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.
LP3988IMFX-2.5/NOPB.pdf
- Q: What is the output voltage of the LP3988IMFX-2.5?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can provide up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: 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.
