Overview
The LP2985ITP-5.0 is a high-performance, low-dropout (LDO) voltage regulator manufactured by National Semiconductor. This component is designed to deliver a stable 5.0V output voltage with minimal dropout, making it ideal for applications requiring precise voltage regulation. The LP2985ITP-5.0 is particularly suited for portable and battery-powered devices, offering low quiescent current and high efficiency. Its compact TO-252 package ensures ease of integration into space-constrained designs, while its robust performance makes it a reliable choice for a wide range of electronic systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 5.0 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 340 | mV | At 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Line Regulation | 0.02 | % | Typical |
| Load Regulation | 0.04 | % | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | TO-252 | DPAK |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with minimal input-output differential.
- Low Quiescent Current: Enhances battery life in portable applications.
- Stable Output: Provides a precise 5.0V output with excellent line and load regulation.
- Wide Input Voltage Range: Supports operation from 2.5V to 16V, accommodating various power sources.
- Thermal and Overcurrent Protection: Safeguards the device and connected components under fault conditions.
Applications
The LP2985ITP-5.0 is widely used in applications requiring reliable voltage regulation, such as:
- Portable Electronics: Smartphones, tablets, and handheld devices benefit from its low quiescent current and compact size.
- Battery-Powered Systems: Ensures stable voltage supply in devices like wireless sensors and IoT modules.
- Consumer Electronics: Used in audio equipment, cameras, and other gadgets requiring precise voltage control.
- Industrial Automation: Provides reliable power in control systems, sensors, and actuators.
Q & A
1. What is the maximum output current of the LP2985ITP-5.0?
The maximum output current is 150mA.
2. What is the dropout voltage at 150mA?
The dropout voltage is 340mV at 150mA.
3. Can the LP2985ITP-5.0 operate with an input voltage below 5V?
Yes, it can operate with an input voltage as low as 2.5V.
4. What is the typical quiescent current?
The typical quiescent current is 85µA.
5. Is the LP2985ITP-5.0 suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
6. What package does the LP2985ITP-5.0 come in?
It comes in a TO-252 (DPAK) package.
7. Does the LP2985ITP-5.0 include thermal protection?
Yes, it includes thermal and overcurrent protection.
8. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
9. Can the LP2985ITP-5.0 be used in industrial applications?
Yes, it is suitable for industrial automation and control systems.
10. What is the line regulation of the LP2985ITP-5.0?
The typical line regulation is 0.02%.
