Overview
The LP2985AITPX-2.9/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to provide a stable 2.9V output voltage, making it ideal for applications requiring precise voltage regulation. It is part of the LP2985 series, known for its ultra-low dropout voltage, low quiescent current, and excellent transient response. The LP2985AITPX-2.9/NOPB is widely used in portable electronics, IoT devices, and battery-powered systems due to its compact size, efficiency, and reliability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150 mA |
| Input Voltage Range | 2.3 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | Small outline transistor | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/mA | Typical |
| Ripple Rejection | 60 | dB | At 1 kHz |
Key Features
- Ultra-low dropout voltage for efficient operation in low-voltage applications.
- Low quiescent current enhances battery life in portable devices.
- Excellent transient response ensures stable performance under varying loads.
- Compact SOT-23-5 package for space-constrained designs.
- Fixed 2.9V output voltage for precise regulation.
- Wide input voltage range supports diverse applications.
Applications
The LP2985AITPX-2.9/NOPB is suitable for a wide range of applications, including:
- Portable Electronics: Provides stable voltage for smartphones, tablets, and wearable devices.
- IoT Devices: Ensures reliable power for sensors, modules, and communication devices.
- Battery-Powered Systems: Extends battery life in medical devices, handheld instruments, and remote controls.
- Consumer Electronics: Supports voltage regulation in cameras, audio devices, and gaming consoles.
Q & A
1. What is the output voltage of the LP2985AITPX-2.9/NOPB?
The output voltage is fixed at 2.9V.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the dropout voltage at 150 mA?
The dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range?
The input voltage range is 2.3V to 16V.
5. What is the typical quiescent current?
The typical quiescent current is 75 µA.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the LP2985AITPX-2.9/NOPB use?
It uses the SOT-23-5 package.
8. What is the typical line regulation?
The typical line regulation is 0.02%/V.
9. What is the typical load regulation?
The typical load regulation is 0.05%/mA.
10. What is the ripple rejection at 1 kHz?
The ripple rejection is 60 dB at 1 kHz.
