National Semiconductor LP2988ILD-3.8
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.24 | $2.24 |
| 15+ | $0.52 | $7.80 |
| 25+ | $0.50 | $12.50 |
| 50+ | $0.48 | $24.00 |
| 100+ | $0.42 | $42.00 |
| N+ | $0.08 | 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) | 150 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 (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
The LP2988ILD-3.8 is a precision low dropout regulator from National Semiconductor, offering a fixed 3.8V output with 200mA current capability. With a dropout voltage of only 0.35V at full load and a quiescent current of 150µA, it balances efficiency and performance for battery-operated and industrial applications. The 8-WSON package provides a compact solution, while 65dB PSRR at 1kHz ensures clean power for sensitive analog and digital circuits.
- Precision Output: Fixed 3.8V with tight regulation for sensitive loads.
- Low Dropout: 0.35V at 200mA maximizes efficiency in battery systems.
- Good Ripple Rejection: 65dB PSRR at 1kHz for noise-sensitive applications.
- Compact WSON Package: 4x4mm footprint ideal for space-limited PCBs.
Precision Analog Circuits
65dB PSRR at 1kHz ensures stable voltage for operational amplifiers and data converters in measurement equipment.
Battery-Powered Instruments
150µA quiescent current and 200mA output make it suitable for handheld multimeters and portable testers.
Audio Equipment
Low noise and good ripple rejection provide clean power for audio codecs and headphone amplifiers.
Automotive Sensors
Reliable 3.8V rail for pressure and temperature sensors in engine control units.
Communication Interfaces
Stable output for RS-232 transceivers and CAN bus controllers in industrial networking.
Embedded Systems
Powers microcontrollers and memory modules in compact embedded designs.
- Q: What is the output voltage?
- A: Fixed 3.8V output.
- Q: What is the maximum current?
- A: 200mA continuous output current.
- Q: What is the input voltage range?
- A: Designed for 3.8V input (typical).
- Q: What is the dropout voltage?
- A: Low dropout of 0.35V at 200mA.
- Q: What is the quiescent current?
- A: 150µA quiescent current.
- Q: What package is available?
- A: 8-WSON (4x4) package.
LP2988ILD-3.8.pdf
- Q: What is the output voltage?
- A: Fixed 3.8V output.
- Q: What is the maximum current?
- A: 200mA continuous output current.
- Q: What is the input voltage range?
- A: Designed for 3.8V input (typical).
- Q: What is the dropout voltage?
- A: Low dropout of 0.35V at 200mA.
- Q: What is the quiescent current?
- A: 150µA quiescent current.
- Q: What package is available?
- A: 8-WSON (4x4) package.
