Overview
The LP2985ITP-2.5/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable 2.5V output voltage with a maximum input voltage of 16V. It is particularly suited for applications requiring precise voltage regulation with minimal power loss. The LP2985ITP-2.5/NOPB is ideal for use in portable electronics, battery-powered devices, and other applications where efficiency and reliability are critical. Its compact package and low quiescent current make it a competitive choice for modern electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | Fixed |
| Input Voltage Range | 2.3 to 16 | V | |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 280 | mV | Typical at 150mA |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | TP | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| PSRR | 60 | dB | At 1kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in standby mode.
- High PSRR: Provides excellent noise rejection, making it suitable for sensitive applications.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.
- Compact SOT-23-5 Package: Ideal for space-constrained designs.
Applications
The LP2985ITP-2.5/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where efficient power management is crucial.
- Battery-Powered Devices: Including medical devices, IoT sensors, and remote controls, where low power consumption is essential.
- Industrial Equipment: For voltage regulation in control systems and sensors.
- Automotive Electronics: In infotainment systems, navigation devices, and other automotive applications requiring reliable voltage regulation.
Q & A
1. What is the dropout voltage of the LP2985ITP-2.5/NOPB?
The dropout voltage is typically 280mV at 150mA.
2. What is the maximum input voltage for this regulator?
The maximum input voltage is 16V.
3. Can this regulator be used in automotive applications?
Yes, it is suitable for automotive electronics, provided it operates within the specified temperature range.
4. What is the typical quiescent current?
The typical quiescent current is 75µA.
5. Does the LP2985ITP-2.5/NOPB have thermal shutdown protection?
Yes, it includes thermal shutdown protection to prevent overheating.
6. What package does this regulator come in?
It is available in a SOT-23-5 package.
7. What is the PSRR of this regulator?
The PSRR is 60dB at 1kHz.
8. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
9. What is the output voltage accuracy?
The output voltage accuracy is typically within ±2%.
10. Can it handle transient voltage spikes?
While it has some transient protection, additional external components may be needed for high transient environments.
