Overview
The LP2985AIM-3.6/NOPB is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor, now part of Texas Instruments. This component is designed for applications requiring a stable and precise 3.6V output voltage with a maximum output current of 150mA. It is part of the PMIC - Linear Regulators category and is widely used in portable electronics, IoT devices, and other battery-powered systems due to its low power consumption and compact design.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.6 | V | Fixed |
| Input Voltage Range | Up to 16 | V | |
| Output Current | 150 | mA | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | Surface Mount |
Key Features
- Low dropout voltage for efficient operation in battery-powered devices.
- Fixed 3.6V output with 1% tolerance for precision applications.
- Ultra-low quiescent current, ideal for power-sensitive designs.
- Stable with low ESR ceramic capacitors, reducing BOM cost and size.
- Wide input voltage range supports diverse power sources.
Applications
The LP2985AIM-3.6/NOPB is commonly used in portable electronics such as smartphones, tablets, and wearable devices. It is also suitable for IoT applications, including sensors and wireless modules, where stable and efficient power management is critical. Additionally, it finds use in industrial control systems and automotive electronics, thanks to its robust performance across a wide temperature range.
Q & A
1. What is the dropout voltage of the LP2985AIM-3.6/NOPB?
The dropout voltage is 0.28V at 150mA load current.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. Can this regulator operate in extreme temperatures?
Yes, it operates reliably from -40°C to 125°C.
4. What type of capacitors are recommended for this LDO?
Low ESR ceramic capacitors are recommended for optimal performance.
5. Is the output voltage fixed or adjustable?
The output voltage is fixed at 3.6V.
6. What is the quiescent current of this regulator?
The quiescent current is typically 75µA at 1mA load.
7. What package does the LP2985AIM-3.6/NOPB come in?
It is available in a SOT-23-5 surface-mount package.
8. Is this LDO suitable for battery-powered devices?
Yes, its low dropout voltage and quiescent current make it ideal for battery-powered applications.
9. What is the output current capability?
The maximum output current is 150mA.
10. Does this regulator require external components for stability?
Yes, it requires a low ESR ceramic capacitor for stability.
