Texas Instruments LP5990TMX-2.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.66 | $0.66 |
| 15+ | $0.63 | $9.45 |
| 25+ | $0.62 | $15.50 |
| 50+ | $0.59 | $29.50 |
| 100+ | $0.52 | $52.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Cut Tape (CT) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.25V @ 200mA |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 75 µA |
| Current - Supply (Max) | - |
| PSRR | 55dB (10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-WFBGA, DSBGA |
| Supplier Device Package | 4-DSBGA |
| ROHS |
The LP5990TMX-2.8/NOPB from Texas Instruments is a fixed 2.8V low dropout linear regulator, capable of delivering 200mA of output current. It features a typical dropout voltage of 0.25V at full load and a quiescent current of 75 µA, balancing performance and efficiency for portable applications. The regulator provides a PSRR of 55dB at 10kHz, ensuring stable operation in noise-prone environments. Its compact 4-DSBGA package is designed for space-constrained PCBs.
- Compact Form Factor: The 4-DSBGA package minimizes PCB footprint, ideal for slim portable devices.
- Low Dropout: 0.25V dropout at 200mA allows operation from a nearly depleted battery.
- Stable Output: 55dB PSRR at 10kHz provides good noise immunity for mixed-signal circuits.
- Efficient Power Management: 75 µA quiescent current helps extend battery life in standby mode.
Portable Battery Management
The LP5990TMX-2.8 is ideal for powering battery management ICs and fuel gauges, providing a stable 2.8V rail with a low dropout of 0.25V to maximize usable battery capacity.
Wireless Connectivity Modules
With a PSRR of 55dB at 10kHz, this regulator effectively filters switching noise, making it suitable for powering Wi-Fi and Bluetooth modules that require a clean 2.8V supply.
Sensor Signal Conditioning
In industrial and medical sensor applications, the LP5990 provides a low-noise 2.8V supply for op-amps and ADCs, ensuring accurate signal measurement and conversion.
Memory Card Interfaces
The 200mA output is well-suited for powering SD and microSD card interfaces, delivering reliable 2.8V logic levels for data read/write operations.
Low-Power Microcontrollers
This LDO can efficiently power low-power MCUs operating at 2.8V, with a quiescent current of 75 µA helping to maintain low overall system power consumption.
- Q: What is the output voltage of the LP5990TMX-2.8?
- A: The fixed output voltage is 2.8V.
- 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; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.25V at 200mA.
- Q: What is the quiescent current?
- A: The typical quiescent current is 75 µA.
- Q: What package is available?
- A: It comes in a 4-DSBGA package.
- Q: What is the output voltage of the LP5990TMX-2.8?
- A: The fixed output voltage is 2.8V.
- 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; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.25V at 200mA.
- Q: What is the quiescent current?
- A: The typical quiescent current is 75 µA.
- Q: What package is available?
- A: It comes in a 4-DSBGA package.

LP5990TMX-2.8/NOPB.pdf