Overview
The LP2985IM5-5.0 is a low-dropout (LDO) linear voltage regulator designed and manufactured by Texas Instruments. This component is part of the PMIC - Linear Regulators category and is widely used in applications requiring stable and precise voltage regulation. The LP2985IM5-5.0 is particularly suitable for portable devices, embedded systems, and other low-power applications due to its compact size, low quiescent current, and high efficiency. Its fixed 5V output and robust protection features make it a reliable choice for engineers and designers seeking a cost-effective and efficient voltage regulation solution.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 2.5V~16V | V | |
| Output Voltage | 5 | V | Fixed |
| Output Current | 150 | mA | |
| Quiescent Current | 95 | μA | |
| Dropout Voltage | 580 | mV | Max |
| PSRR | 45 | dB | |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT23-5 | ||
| Dimensions | 3.05 x 1.75 | mm | |
| Height | 1.45 | mm |
Key Features
- Fixed 5V output for stable voltage regulation.
- Low dropout voltage of 580mV (max) ensures efficient operation.
- High power supply rejection ratio (PSRR) of 45dB for noise reduction.
- Low quiescent current of 95μA enhances power efficiency.
- Built-in protection features include overcurrent, overtemperature, and short-circuit protection.
- Compact SOT23-5 package suitable for space-constrained designs.
Applications
The LP2985IM5-5.0 is ideal for a wide range of applications, including portable electronics, embedded systems, IoT devices, and consumer electronics. Its ability to provide a stable 5V output with minimal power loss makes it particularly useful in battery-powered devices. Additionally, its robust protection mechanisms ensure reliable performance in industrial and automotive environments where temperature and voltage fluctuations are common.
Q & A
1. What is the output voltage of the LP2985IM5-5.0?
The LP2985IM5-5.0 provides a fixed output voltage of 5V.
2. What is the maximum input voltage supported by this regulator?
The maximum input voltage is 16V.
3. What is the typical dropout voltage of the LP2985IM5-5.0?
The typical dropout voltage is 580mV at maximum load.
4. Can this regulator operate in high-temperature environments?
Yes, it operates reliably in temperatures ranging from -40°C to +125°C.
5. What is the quiescent current of the LP2985IM5-5.0?
The quiescent current is 95μA.
6. Does this regulator include protection features?
Yes, it includes overcurrent, overtemperature, and short-circuit protection.
7. What package does the LP2985IM5-5.0 come in?
It is available in a SOT23-5 package.
8. Is the LP2985IM5-5.0 suitable for battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
9. What is the power supply rejection ratio (PSRR) of this regulator?
The PSRR is 45dB.
10. Can this regulator be used in automotive applications?
Yes, its robust design and wide operating temperature range make it suitable for automotive use.
