Overview
The LP2985AIM5X-2.5 is a fixed-output, low-dropout (LDO) voltage regulator manufactured by Texas Instruments, originally developed by National Semiconductor. Designed for portable and non-portable applications, this component provides efficient and reliable performance with a fixed output voltage of 2.5V. It is particularly suited for applications requiring low noise and low dropout voltage, making it ideal for battery-powered devices and other power-sensitive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | Fixed |
| Input Voltage Range | Up to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| PSRR | 45 | dB | @ 1kHz |
| Quiescent Current | 95 | µA |
Key Features
- Fixed 2.5V output voltage for stable performance.
- Low dropout voltage of 0.28V at 150mA, ensuring efficient operation in low-power scenarios.
- High power supply rejection ratio (PSRR) of 45dB at 1kHz, minimizing noise.
- Compact SOT-23-5 package, suitable for space-constrained applications.
- Overcurrent and overtemperature protection for enhanced reliability.
Applications
The LP2985AIM5X-2.5 is widely used in various applications, including portable electronics, battery-powered devices, and embedded systems. Its low noise and high efficiency make it ideal for use in mobile phones, PDAs, digital cameras, and other consumer electronics. Additionally, it is suitable for industrial and automotive applications where stable and reliable voltage regulation is critical.
Q & A
1. What is the output voltage of the LP2985AIM5X-2.5?
The output voltage is fixed at 2.5V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
5. What package does the LP2985AIM5X-2.5 use?
It uses the SOT-23-5 package.
6. What is the PSRR of this regulator?
The PSRR is 45dB at 1kHz.
7. What is the quiescent current?
The quiescent current is 95µA.
8. Is this component suitable for battery-powered devices?
Yes, its low dropout voltage and low quiescent current make it ideal for battery-powered devices.
9. Does it include protection features?
Yes, it includes overcurrent and overtemperature protection.
10. What are typical applications for this regulator?
Typical applications include portable electronics, consumer devices, and industrial systems requiring stable voltage regulation.
