Overview
The LP2985ITP-2.9/NOPB is a high-performance, low-dropout (LDO) voltage regulator produced by Texas Instruments. Designed for applications requiring a stable and precise voltage supply, this component is part of the LP2985 series, known for its low noise and high accuracy. The LP2985ITP-2.9/NOPB is particularly suited for portable and battery-powered devices, offering a fixed output voltage of 2.9V. Its compact SOT-23 package makes it ideal for space-constrained designs, while its low quiescent current ensures energy efficiency. This LDO regulator is widely used in consumer electronics, industrial automation, and automotive applications, providing reliable voltage regulation with minimal external components.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 280 | mV | At 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23 | 5-pin | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/mA | Typical |
| Noise | 30 | µVrms | 10Hz to 100kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Noise: Ideal for noise-sensitive applications like audio and RF circuits.
- High Accuracy: Provides precise voltage regulation with ±1% accuracy.
- Low Quiescent Current: Minimizes power consumption in battery-powered devices.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.
- Compact Package: SOT-23 package is suitable for space-constrained designs.
Applications
The LP2985ITP-2.9/NOPB is widely used in various applications, including:
- Portable Electronics: Smartphones, tablets, and wearable devices benefit from its low power consumption and compact size.
- Industrial Automation: Provides stable voltage for sensors, controllers, and communication modules.
- Automotive Electronics: Used in infotainment systems, navigation devices, and other in-vehicle electronics.
- Consumer Electronics: Audio devices, cameras, and gaming consoles leverage its low noise and high accuracy.
- Medical Devices: Ensures reliable voltage regulation in portable medical equipment.
Q & A
1. What is the output voltage of the LP2985ITP-2.9/NOPB?
The output voltage is fixed at 2.9V.
2. What is the maximum output current this regulator can handle?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is 280mV at 150mA.
4. What is the input voltage range for this LDO regulator?
The input voltage range is 2.5V to 16V.
5. What is the typical quiescent current of the LP2985ITP-2.9/NOPB?
The typical quiescent current is 75µA.
6. What package does this component come in?
It comes in a 5-pin SOT-23 package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
8. Does the LP2985ITP-2.9/NOPB include protection features?
Yes, it includes thermal shutdown and current limit protection.
9. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
10. What are the typical applications for this regulator?
Typical applications include portable electronics, industrial automation, automotive electronics, consumer electronics, and medical devices.
