Overview
The LP2985IM5-4.0/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise 4.0V output, this component is part of the LP2985 series, known for its low noise and high accuracy. It is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. The LP2985IM5-4.0/NOPB is ideal for portable devices, IoT applications, and other battery-powered systems where efficiency and reliability are critical. Its unique selling points include ultra-low dropout voltage, low quiescent current, and excellent transient response, making it a competitive choice in the LDO market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 4.0 | V | Fixed |
| Dropout Voltage | 300 | mV | Typical |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 75 | µA | Typical |
| Input Voltage Range | 2.5 to 16 | V | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.1 | %/mA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in battery-powered applications.
- High Accuracy: Provides a precise 4.0V output with tight tolerance.
- Excellent Transient Response: Maintains stable output under varying load conditions.
- Compact Package: SOT-23-5 form factor for space-constrained designs.
Applications
The LP2985IM5-4.0/NOPB is widely used in various applications, including:
- Portable Devices: Smartphones, tablets, and wearable devices benefit from its low power consumption and compact size.
- IoT Devices: Sensors and communication modules require stable voltage for reliable operation.
- Battery-Powered Systems: Ensures efficient power management in devices like medical instruments and handheld tools.
- Consumer Electronics: Used in audio devices, cameras, and other electronics requiring precise voltage regulation.
Q & A
1. What is the dropout voltage of the LP2985IM5-4.0/NOPB?
The dropout voltage is typically 300 mV.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
4. Is the output voltage fixed or adjustable?
The output voltage is fixed at 4.0V.
5. What package does this component use?
It uses a SOT-23-5 package.
6. What is the quiescent current?
The quiescent current is typically 75 µA.
7. Can it be used in battery-powered applications?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered systems.
8. What is the input voltage range?
The input voltage range is 2.5V to 16V.
9. Does it have thermal shutdown protection?
Yes, it includes thermal shutdown protection to prevent overheating.
10. What are the typical applications?
Typical applications include portable devices, IoT devices, and consumer electronics.
