National Semiconductor LP2988IMX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.48 | $4.48 |
| 15+ | $1.03 | $15.45 |
| 25+ | $1.01 | $25.25 |
| 50+ | $0.95 | $47.50 |
| 100+ | $0.84 | $84.00 |
| N+ | $0.17 | 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) | 3.3V |
| 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-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
The LP2988IMX-3.3/NOPB from National Semiconductor is a fixed 3.3V low dropout linear regulator capable of delivering 200mA. Featuring a dropout voltage of just 0.35V at full load and a quiescent current of 120 µA, it balances performance with efficiency. The 8-SOIC package offers a robust, industry-standard footprint for a wide range of applications, from industrial controls to consumer electronics.
- Proven Reliability: National Semiconductor's mature LP2988 family offers a well-characterized, robust solution for demanding applications.
- Low Dropout: 0.35V at 200mA allows operation from 3.65V input, compatible with 3-cell alkaline or single Li-ion sources.
- Good Noise Rejection: 65dB PSRR at 1kHz filters common power supply noise in industrial environments.
- Standard Package: 8-SOIC package is widely available and easy to solder, simplifying manufacturing.
Automotive Infotainment
Provides a stable 3.3V rail for audio DSPs and display controllers, with 65dB PSRR at 1kHz to reject alternator noise.
Industrial Control Systems
Reliable 3.3V supply for PLC I/O modules and fieldbus transceivers, ensuring consistent operation in harsh environments.
Networking Equipment
Powers Ethernet PHYs and switch ICs with low noise, maintaining signal integrity for high-speed data transmission.
Medical Devices
Stable output for patient monitoring equipment, with low dropout ensuring operation from backup batteries.
Test & Measurement Instruments
Clean 3.3V rail for precision ADC/DAC references, minimizing measurement errors due to supply noise.
Home Automation Hubs
Powers Zigbee/Z-Wave radios and host MCUs, providing a robust power solution for always-on smart home devices.
- Q: What is the output voltage of the LP2988IMX-3.3?
- A: This LDO provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
- Q: What is the output voltage of the LP2988IMX-3.3?
- A: This LDO provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 120 µA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.

LP2988IMX-3.3/NOPB.pdf