Overview
The LP2985IM5-6.1 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor. This component is designed to provide a stable 6.1V output voltage, making it suitable for applications requiring precise voltage regulation. The LP2985IM5-6.1 is part of the LP2985 series, known for its low dropout voltage, low quiescent current, and high output accuracy. It is available in a compact SOT-23-5 package, making it ideal for space-constrained designs. The product is targeted at applications in consumer electronics, industrial automation, and portable devices, where reliable and efficient power management is critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 6.1 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | Typical at 150mA |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 75 | 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 |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Minimizes power consumption in standby or idle modes.
- High Output Accuracy: Provides precise voltage regulation for sensitive applications.
- Thermal Shutdown Protection: Safeguards the device from overheating.
- Compact Package: SOT-23-5 package is ideal for space-constrained designs.
Applications
The LP2985IM5-6.1 is widely used in various applications, including:
- Consumer Electronics: Powering microcontrollers, sensors, and other low-power components in devices like smartphones and tablets.
- Industrial Automation: Providing stable voltage for control systems and sensors in industrial environments.
- Portable Devices: Ensuring reliable power management in battery-operated devices such as wearables and handheld instruments.
- Automotive Electronics: Supporting voltage regulation in automotive infotainment and control systems.
Q & A
1. What is the output voltage of the LP2985IM5-6.1?
The output voltage is fixed at 6.1V.
2. What is the input voltage range for this regulator?
The input voltage range is 2.5V to 16V.
3. What is the maximum output current?
The maximum output current is 150mA.
4. What is the dropout voltage of the LP2985IM5-6.1?
The dropout voltage is typically 0.28V at 150mA.
5. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
6. Does the LP2985IM5-6.1 have thermal protection?
Yes, it includes thermal shutdown protection to prevent overheating.
7. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
8. What package does the LP2985IM5-6.1 come in?
It is available in a SOT-23-5 package.
9. Can this regulator be used in automotive applications?
Yes, it is suitable for automotive electronics, provided it operates within the specified temperature and voltage ranges.
10. What is the typical quiescent current?
The typical quiescent current is 75µA.
