Overview
The LP2985IM5X-4.5/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to provide a stable and precise 4.5V output voltage, making it ideal for applications requiring reliable power management. Its compact SOT-23-5 package ensures ease of integration into space-constrained designs. The LP2985IM5X-4.5/NOPB is particularly suited for portable electronics, IoT devices, and other battery-powered systems, offering low quiescent current and high efficiency. Its key competitive advantages include ultra-low dropout voltage, excellent line and load regulation, and robust thermal protection.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 4.5 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 300 | mV | at 150 mA |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 75 | µA | Typical |
| Line Regulation | 0.02 | %/V | |
| Load Regulation | 0.04 | %/mA | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Protection Features | Thermal Shutdown, Current Limit |
Key Features
- Ultra-low dropout voltage for efficient power management.
- Fixed 4.5V output voltage for consistent performance.
- Low quiescent current extends battery life in portable devices.
- Robust thermal shutdown and current limit protection.
- Compact SOT-23-5 package for space-saving designs.
- Excellent line and load regulation for stable operation.
Applications
The LP2985IM5X-4.5/NOPB is widely used in various applications, including:
- Portable Electronics: Provides reliable power for smartphones, tablets, and wearable devices.
- IoT Devices: Ensures stable voltage for sensors and communication modules.
- Battery-Powered Systems: Optimizes energy efficiency in handheld instruments and medical devices.
- Consumer Electronics: Supports power management in audio devices and gaming consoles.
Q & A
1. What is the maximum output current of the LP2985IM5X-4.5/NOPB?
The maximum output current is 150 mA.
2. What is the input voltage range for this regulator?
The input voltage range is 2.5V to 16V.
3. Does this LDO regulator have thermal protection?
Yes, it includes thermal shutdown protection.
4. What is the typical quiescent current?
The typical quiescent current is 75 µA.
5. What package does the LP2985IM5X-4.5/NOPB use?
It uses the SOT-23-5 package.
6. Is the output voltage adjustable?
No, the output voltage is fixed at 4.5V.
7. What is the dropout voltage at 150 mA?
The dropout voltage is 300 mV at 150 mA.
8. Can this regulator operate in extreme temperatures?
Yes, it operates in a temperature range of -40°C to +125°C.
9. What are the key protection features?
It includes thermal shutdown and current limit protection.
10. Is this regulator suitable for battery-powered applications?
Yes, its low quiescent current makes it ideal for battery-powered systems.
