Overview
The LP2985AIM5-4.7/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to deliver a stable 4.7V output voltage with ultra-low dropout and low quiescent current, making it ideal for battery-powered and portable applications. Its compact SOT-23-5 package ensures minimal footprint, catering to space-constrained designs. The LP2985AIM5-4.7/NOPB is targeted at applications requiring reliable power management, such as consumer electronics, IoT devices, and industrial systems. Its key competitive advantages include high accuracy, low noise, and thermal shutdown protection.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 4.7 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 0.38 | V | Typical at 150 mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Thermal Shutdown | Yes |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Minimizes power consumption, ideal for battery-powered devices.
- High Output Accuracy: Provides precise voltage regulation for sensitive applications.
- Thermal Shutdown Protection: Safeguards the device from overheating.
- Compact Package: SOT-23-5 package saves board space in compact designs.
Applications
The LP2985AIM5-4.7/NOPB is widely used in various applications, including:
- Consumer Electronics: Power management for portable devices such as smartphones, tablets, and wearables.
- IoT Devices: Reliable voltage regulation for sensors, microcontrollers, and communication modules.
- Industrial Systems: Stable power supply for control systems, PLCs, and industrial sensors.
- Medical Devices: Ensures consistent performance in medical monitoring and diagnostic equipment.
- Automotive Electronics: Suitable for infotainment systems, sensors, and other low-power automotive applications.
Q & A
1. What is the maximum output current of the LP2985AIM5-4.7/NOPB?
The maximum output current is 150 mA.
2. What is the dropout voltage at 150 mA?
The typical dropout voltage is 0.38 V at 150 mA.
3. What is the input voltage range for this regulator?
The input voltage range is 2.5 V to 16 V.
4. Does the LP2985AIM5-4.7/NOPB include thermal shutdown protection?
Yes, it includes thermal shutdown protection.
5. What is the quiescent current of this device?
The typical quiescent current is 85 µA.
6. What package does the LP2985AIM5-4.7/NOPB come in?
It comes in a SOT-23-5 package.
7. Is the output voltage fixed or adjustable?
The output voltage is fixed at 4.7 V.
8. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
9. Can this regulator be used in automotive applications?
Yes, it is suitable for low-power automotive applications.
10. What is the typical line regulation of this device?
The typical line regulation is 0.02 %/V.
