Overview
The LP2985AIM5-4.8/NOPB is a low-dropout (LDO) linear voltage regulator designed and manufactured by Texas Instruments. This component is part of the LP2985 series, known for its low noise, high accuracy, and ultra-low dropout voltage. It is specifically engineered for applications requiring a stable 4.8V output voltage with a maximum output current of 150mA. The LP2985AIM5-4.8/NOPB is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. Its target user groups include designers of portable electronics, battery-powered devices, and other applications where power efficiency and reliability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 4.8 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | - |
| Output Current | 150 | mA | Max |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
| Quiescent Current | 95 | µA | Typical |
| PSRR | 45 | dB | @ 1kHz |
Key Features
- Fixed 4.8V output voltage with 1% accuracy.
- Ultra-low dropout voltage of 0.28V at 150mA load current.
- Low quiescent current of 95µA, ideal for battery-powered applications.
- Wide input voltage range of 2.5V to 16V.
- Compact SOT-23-5 package for space-constrained designs.
- Built-in overcurrent and thermal protection for enhanced reliability.
Applications
The LP2985AIM5-4.8/NOPB is widely used in various applications, including portable electronics, battery-powered devices, and industrial control systems. Its low dropout voltage and high accuracy make it ideal for powering microcontrollers, sensors, and other low-power components in portable devices. Additionally, its compact size and robust protection features make it suitable for automotive electronics and IoT devices where reliability and efficiency are paramount.
Q & A
1. What is the output voltage of the LP2985AIM5-4.8/NOPB?
The output voltage is fixed at 4.8V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the maximum output current?
The maximum output current is 150mA.
4. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA load current.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985AIM5-4.8/NOPB use?
It uses a SOT-23-5 package.
7. What is the quiescent current?
The quiescent current is typically 95µA.
8. Does it include protection features?
Yes, it includes overcurrent and thermal protection.
9. Is this component suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
10. What is the PSRR of this regulator?
The PSRR is 45dB at 1kHz.
