Overview
The LP3985IM5-2.9/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. Designed for portable and wireless applications, this component is optimized for performance and space efficiency. It is particularly suitable for battery-powered systems, offering ultra-low noise, low dropout voltage, and low quiescent current. The LP3985IM5-2.9/NOPB is available in a compact SOT-23-5 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Input Voltage | Up to 6 | V | - |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 0.06 | V | @ 150mA |
| Quiescent Current | 150 | µA | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Ultra-low noise output for sensitive applications.
- Low dropout voltage extends battery life.
- Stable with ceramic or tantalum capacitors.
- Thermal shutdown and short-circuit protection.
- Compact SOT-23-5 package for space-saving designs.
Applications
The LP3985IM5-2.9/NOPB is widely used in portable and wireless devices, including cellular handsets, portable information appliances, and battery-powered systems. Its low noise and low dropout voltage make it ideal for applications requiring stable and efficient power management.
Q & A
1. What is the output voltage of the LP3985IM5-2.9/NOPB?
The output voltage is fixed at 2.9V.
2. What is the maximum input voltage?
The maximum input voltage is 6V.
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 0.06V at 150mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What type of package does the LP3985IM5-2.9/NOPB use?
It uses a SOT-23-5 package.
7. Is the LP3985IM5-2.9/NOPB stable with ceramic capacitors?
Yes, it is stable with ceramic or tantalum capacitors.
8. Does it include thermal shutdown protection?
Yes, it includes thermal shutdown and short-circuit protection.
9. What is the quiescent current?
The quiescent current is 150µA.
10. What are typical applications for this component?
Typical applications include cellular handsets, portable information appliances, and battery-powered systems.
