Overview
The LP2985IM5-2.8/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and reliable power supply, this component is part of the LP2985 series, known for its high performance and efficiency. The LP2985IM5-2.8/NOPB is specifically configured to provide a fixed output voltage of 2.8V, making it ideal for powering low-voltage devices in compact and portable systems. Its market positioning targets industries such as consumer electronics, IoT devices, and battery-powered applications, where space and power efficiency are critical. The product's unique selling points include its ultra-low dropout voltage, low quiescent current, and robust thermal and overcurrent protection.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.8 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 280 | mV | Typical at 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/mA | Typical |
| Thermal Shutdown | Yes | ||
| Overcurrent Protection | Yes |
Key Features
- Ultra-low dropout voltage for efficient operation in low-voltage applications.
- Low quiescent current extends battery life in portable devices.
- Fixed output voltage of 2.8V ensures stable power delivery.
- Robust thermal shutdown and overcurrent protection enhance reliability.
- Compact SOT-23-5 package saves board space in small designs.
- Wide input voltage range supports diverse power sources.
Applications
The LP2985IM5-2.8/NOPB is widely used in applications requiring a stable and efficient power supply. Typical application fields include:
- Consumer Electronics: Powering low-voltage components in smartphones, tablets, and wearable devices.
- IoT Devices: Providing reliable power for sensors and microcontrollers in connected devices.
- Battery-Powered Systems: Extending battery life in portable medical devices and handheld instruments.
- Industrial Automation: Ensuring stable voltage for control systems and sensors in harsh environments.
Q & A
1. What is the output voltage of the LP2985IM5-2.8/NOPB?
The output voltage is fixed at 2.8V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is typically 280mV at 150mA.
4. What is the input voltage range?
The input voltage range is 2.5V to 16V.
5. What is the quiescent current?
The quiescent current is typically 85µA.
6. What package does the LP2985IM5-2.8/NOPB use?
It uses the SOT-23-5 package.
7. Does it include thermal shutdown protection?
Yes, it includes thermal shutdown protection.
8. Is overcurrent protection supported?
Yes, overcurrent protection is supported.
9. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
10. What are typical applications for this regulator?
Typical applications include consumer electronics, IoT devices, battery-powered systems, and industrial automation.
