National Semiconductor LP2988ILD-3.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.80 | $5.80 |
| 15+ | $1.33 | $19.95 |
| 25+ | $1.31 | $32.75 |
| 50+ | $1.23 | $61.50 |
| 100+ | $1.09 | $109.00 |
| N+ | $0.22 | 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) | 16V |
| Voltage - Output (Min/Fixed) | 3.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 200mA |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 3.7 mA |
| PSRR | 65dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
| ROHS |  |
The LP2988ILD-3.8/NOPB is a precision low-dropout linear regulator from National Semiconductor, delivering a fixed 3.8V output with up to 200mA of current. Its ultra-low 120µA quiescent current and 350mV dropout voltage make it an excellent choice for battery-operated and portable applications. The 8-WSON package offers a compact footprint, while the 65dB PSRR at 1kHz ensures clean, stable power for noise-sensitive circuits.
- Extended Battery Life: Ultra-low 120µA quiescent current minimizes standby power draw, ideal for battery-powered devices.
- Clean Output: 65dB PSRR at 1kHz filters supply noise, ensuring stable operation for sensitive analog and RF circuits.
- Low Dropout: 350mV dropout at 200mA allows operation from nearly depleted batteries, maximizing usable capacity.
- Compact Footprint: 8-WSON (4x4mm) package saves PCB space for space-constrained designs.
Battery-Powered IoT Sensors
The 120µA quiescent current and 3.8V output are ideal for always-on IoT sensors that require minimal standby power to extend battery life.
Portable Medical Devices
The 65dB PSRR at 1kHz ensures clean, stable power for sensitive analog front-ends in glucose monitors and pulse oximeters, reducing measurement noise.
Wireless Communication Modules
With 200mA output and low dropout, this LDO can power RF transceivers (e.g., LoRa, Zigbee) from a 4.2V Li-ion battery, maintaining regulation as the battery discharges.
Precision Reference Circuits
The low noise and high PSRR make it suitable for powering voltage references and DACs in industrial control systems, ensuring accurate analog output.
Automotive Infotainment Backup
The 8-WSON package and stable 3.8V rail support backup power for infotainment microcontrollers during engine start-stop events, where input voltage dips.
Wearable Fitness Trackers
The compact 4x4mm package and low quiescent current allow for slim designs while providing a stable 3.8V rail for the sensor hub and display driver.
- Q: What is the output voltage of the LP2988ILD-3.8/NOPB?
- A: The fixed output voltage is 3.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.8V plus the dropout voltage; typical operation is from 4.15V up to 16V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 350mV at 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is only 120µA, making it ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4mm) package.
LP2988ILD-3.8/NOPB.pdf
- Q: What is the output voltage of the LP2988ILD-3.8/NOPB?
- A: The fixed output voltage is 3.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage must be above 3.8V plus the dropout voltage; typical operation is from 4.15V up to 16V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 350mV at 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is only 120µA, making it ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4mm) package.
