Overview
The LP2985IBPX-3.3 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It is designed to provide a stable 3.3V output voltage with a maximum output current of 150mA. This component is part of the PMIC (Power Management Integrated Circuit) category and is widely used in applications requiring precise voltage regulation. Its compact 5-uSMD package makes it suitable for space-constrained designs, and it operates efficiently across a wide temperature range from -40°C to 125°C. The LP2985IBPX-3.3 is ideal for portable devices, IoT applications, and other low-power electronic systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3.3 | V | Fixed |
| Input Voltage | Up to 16 | V | - |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | Maximum |
| Operating Temperature | -40 to 125 | °C | - |
| Package | 5-uSMD | - | Surface Mount |
| Regulator Type | LDO | - | Linear, Fixed |
Key Features
- Low dropout voltage for efficient power management.
- Stable 3.3V output for precise voltage regulation.
- Compact 5-uSMD package for space-constrained designs.
- Wide operating temperature range (-40°C to 125°C).
- Low quiescent current for energy-efficient applications.
Applications
The LP2985IBPX-3.3 is commonly used in portable electronics, IoT devices, and other low-power systems. Its stable voltage output and compact design make it suitable for applications such as battery-powered devices, sensors, and microcontrollers. Additionally, it is ideal for industrial and automotive electronics where reliable voltage regulation is critical.
Q & A
1. What is the output voltage of the LP2985IBPX-3.3?
The output voltage is fixed at 3.3V.
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 maximum output current?
The maximum output current is 150mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What type of package does it use?
It uses a 5-uSMD surface mount package.
7. Is this regulator suitable for portable devices?
Yes, its low dropout voltage and compact design make it ideal for portable devices.
8. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics due to its wide temperature range and reliability.
9. Does it require external components for operation?
It typically requires minimal external components, such as input and output capacitors.
10. What is the quiescent current of this regulator?
The quiescent current is low, making it energy-efficient for battery-powered applications.
