National Semiconductor LP3988ITL-2.85/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.12 | $1.12 |
| 15+ | $0.26 | $3.90 |
| 25+ | $0.25 | $6.25 |
| 50+ | $0.24 | $12.00 |
| 100+ | $0.21 | $21.00 |
| N+ | $0.04 | 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) | 2.85V |
| 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 | 5-WFBGA, DSBGA |
| Supplier Device Package | 5-DSBGA (1.41x1.08) |
| ROHS |  |
The LP3988ITL-2.85/NOPB is a low dropout linear regulator providing a fixed 2.85V output at up to 150mA. With a low quiescent current of 120µA and dropout of 0.15V, it is optimized for battery-powered and noise-sensitive applications. The 5-DSBGA package enables compact designs.
- Superior Noise Rejection: 65dB PSRR at 1kHz ensures clean power for sensitive RF and analog circuits.
- Low Power Consumption: 120µA quiescent current extends battery life in portable devices.
- Minimal Voltage Loss: 0.15V dropout at 150mA maximizes usable battery voltage range.
- Space-Saving Package: 5-DSBGA (1.41x1.08) ideal for miniaturized wearable and IoT designs.
Digital Core Power for MCUs
Provides a stable 2.85V rail for low-power microcontrollers and digital logic, with 120µA quiescent current ensuring minimal drain in sleep modes.
Noise-Sensitive Sensor Interfaces
The 65dB PSRR at 1kHz filters high-frequency noise, making it suitable for powering MEMS sensors, gyroscopes, and accelerometers in industrial IoT.
Battery-Powered Medical Wearables
Low dropout of 0.15V allows operation from a nearly discharged Li-ion cell, while the small DSBGA package fits into patch-style health monitors.
Portable Audio Players
Delivers clean 2.85V to audio DACs and headphone amplifiers, reducing power supply induced distortion and improving signal-to-noise ratio.
Wireless Charging Receivers
Regulates the output from wireless power receivers to a stable 2.85V for charging ICs and system logic, ensuring consistent performance.
Smart Home Controllers
Powers Zigbee, Thread, and Z-Wave radio transceivers with low noise, enhancing wireless communication reliability in smart home hubs.
- Q: What is the output voltage?
- A: The fixed output voltage is 2.85V.
- Q: What is the maximum current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data.
- Q: What is the dropout voltage?
- A: Dropout is 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 120µA.
- Q: What package is available?
- A: It is offered in a 5-DSBGA (1.41x1.08) package.
LP3988ITL-2.85/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 2.85V.
- Q: What is the maximum current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data.
- Q: What is the dropout voltage?
- A: Dropout is 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 120µA.
- Q: What package is available?
- A: It is offered in a 5-DSBGA (1.41x1.08) package.
