Overview
The LP2985IM5X-2.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and efficient power supply, this model operates with a fixed output voltage of 2.0V. It is part of Texas Instruments' LP2985 series, known for its ultra-low dropout voltage and low quiescent current, making it ideal for battery-powered and portable devices. The LP2985IM5X-2.0 is housed in a compact SOT-23-5 package, offering a space-saving solution for modern electronics. Its market positioning targets consumer electronics, IoT devices, and industrial applications where power efficiency and reliability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.0 | V | Fixed |
| Dropout Voltage | 280 | mV | Typical at 150mA |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 75 | µA | Typical |
| Input Voltage Range | 2.5 to 16 | V | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.1 | %/mA | Typical |
| Output Noise | 30 | µV RMS | 10Hz to 100kHz |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with minimal input-output voltage differentials.
- Low Quiescent Current: Reduces power consumption, ideal for battery-powered devices.
- Stable Output Voltage: Provides a reliable 2.0V output for sensitive electronics.
- Compact Package: SOT-23-5 package saves board space in compact designs.
- Wide Input Voltage Range: Supports operation from 2.5V to 16V, versatile for various applications.
Applications
The LP2985IM5X-2.0 is widely used in applications requiring stable and efficient power management. Key application areas include:
- Consumer Electronics: Powering portable devices such as smartphones, tablets, and wearables.
- IoT Devices: Ensuring reliable operation in smart home and industrial IoT systems.
- Industrial Automation: Providing stable power for sensors, controllers, and communication modules.
- Medical Devices: Supporting low-power requirements in portable medical equipment.
- Automotive Electronics: Used in infotainment systems and onboard sensors.
Q & A
1. What is the dropout voltage of the LP2985IM5X-2.0?
The dropout voltage is typically 280mV at 150mA output current.
2. What is the maximum output current supported?
The maximum output current is 150mA.
3. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
4. Is the output voltage adjustable?
No, the LP2985IM5X-2.0 provides a fixed output voltage of 2.0V.
5. What is the typical quiescent current?
The typical quiescent current is 75µA.
6. What package does this regulator use?
It is housed in a SOT-23-5 package.
7. Can this regulator be used in automotive applications?
Yes, it is suitable for automotive electronics, such as infotainment systems.
8. What is the input voltage range?
The input voltage range is 2.5V to 16V.
9. How does the LP2985IM5X-2.0 handle noise?
It has a low output noise of 30µV RMS from 10Hz to 100kHz.
10. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
