Overview
The LP2985AIM5X-3.8 is a low-noise, low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This component is designed for applications requiring a stable and precise 3.8V output voltage with minimal power loss. It is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. The LP2985AIM5X-3.8 is ideal for portable and battery-powered devices, offering high efficiency and low quiescent current. Its advanced features, such as overcurrent and thermal protection, ensure reliable operation in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage (Max) | 16 | V | |
| Output Voltage | 3.8 | V | Fixed |
| Output Current | 150 | mA | |
| Dropout Voltage (Max) | 0.58 | V | @ 150mA |
| PSRR | 45 | dB | @ 1kHz |
| Quiescent Current | 95 | µA | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | SC-74A | |
| Protection Features | Overcurrent, Thermal, Short Circuit |
Key Features
- Wide input voltage range: 2.5V to 16V
- Ultra-low dropout voltage for efficient operation
- High output current capability: 150mA
- Low quiescent current: 95 µA
- Stable with low ESR ceramic capacitors
- 1% output voltage accuracy (A-grade)
- Built-in overcurrent and thermal protection
- Compact SOT-23-5 package for space-saving designs
Applications
The LP2985AIM5X-3.8 is widely used in portable and battery-powered devices, including mobile phones, laptops, PDAs, and digital cameras. Its low noise and high efficiency make it suitable for audio and video applications, such as personal stereos and camcorders. Additionally, it is employed in industrial and automotive systems where reliable voltage regulation is critical.
Q & A
1. What is the maximum input voltage for the LP2985AIM5X-3.8?
The maximum input voltage is 16V.
2. What is the output voltage of this regulator?
The output voltage is fixed at 3.8V.
3. What is the maximum output current it can handle?
It can handle up to 150mA of output current.
4. What is the dropout voltage at 150mA?
The dropout voltage is 0.58V at 150mA.
5. Does it support low ESR capacitors?
Yes, it is stable with low ESR ceramic capacitors.
6. What are the protection features of this regulator?
It includes overcurrent, thermal, and short circuit protection.
7. What is the operating temperature range?
It operates from -40°C to 125°C.
8. What is the package type?
It comes in a SOT-23-5 package.
9. What is the quiescent current?
The quiescent current is 95 µA.
10. Is it suitable for battery-powered devices?
Yes, its low dropout voltage and quiescent current make it ideal for battery-powered applications.
