Overview
The LP2985ITPX-2.8/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to provide a stable 2.8V output voltage with a maximum output current of 150mA. It is part of Texas Instruments' LP2985 series, which is known for its low quiescent current, high accuracy, and excellent line and load regulation. The LP2985ITPX-2.8/NOPB is ideal for battery-powered applications, portable devices, and other low-power systems where efficient power management is critical. Its compact SOT-23 package makes it suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.8 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | Typical at 150mA |
| Quiescent Current | 75 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/mA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23 | 5-Pin |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in battery-powered applications.
- High Accuracy: Provides precise voltage regulation for sensitive electronics.
- Compact Package: SOT-23 package is ideal for space-constrained designs.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.
Applications
The LP2985ITPX-2.8/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where efficient power management is essential.
- Battery-Powered Devices: Including remote controls, sensors, and IoT devices, due to its low quiescent current.
- Consumer Electronics: Such as cameras, audio devices, and gaming consoles, where stable voltage regulation is critical.
- Industrial Applications: Including automation systems, instrumentation, and control systems, where reliability and precision are required.
Q & A
1. What is the output voltage of the LP2985ITPX-2.8/NOPB?
The output voltage is fixed at 2.8V.
2. What is the maximum output current this regulator can provide?
The maximum output current is 150mA.
3. What is the dropout voltage of this LDO regulator?
The dropout voltage is typically 300mV at 150mA.
4. What is the quiescent current of the LP2985ITPX-2.8/NOPB?
The quiescent current is typically 75µA.
5. What is the operating temperature range of this device?
The operating temperature range is -40°C to +125°C.
6. What package does the LP2985ITPX-2.8/NOPB come in?
It comes in a 5-pin SOT-23 package.
7. Does this regulator have thermal shutdown protection?
Yes, it includes thermal shutdown and current limit protection for enhanced safety.
8. Is the LP2985ITPX-2.8/NOPB suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
9. Can this regulator be used in industrial applications?
Yes, it is suitable for industrial applications due to its reliability and precision.
10. Where can I find detailed specifications for this product?
Detailed specifications can be found on the Texas Instruments official website or distributor platforms like Digi-Key, Mouser, and Arrow Electronics.
