Overview
The LP2985IBP-2.8 is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments (formerly National Semiconductor). This IC is designed to provide a fixed output voltage of 2.8V with a maximum output current of 150mA. It is part of the PMIC - Voltage Regulators - Linear category and is widely used in applications requiring stable and efficient voltage regulation. The LP2985IBP-2.8 is particularly suited for portable and battery-powered devices due to its low dropout voltage and compact form factor.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.8 | V | Fixed |
| Input Voltage | Up to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | |
| Operating Temperature | -40 to 125 | °C | |
| Package | 5-VFBGA | Surface Mount | |
| Regulator Topology | Positive, Fixed |
Key Features
- Low dropout voltage of 0.28V at 150mA output current.
- Fixed output voltage of 2.8V for consistent performance.
- Wide input voltage range up to 16V, suitable for various power sources.
- Compact 5-VFBGA package for space-constrained applications.
- Operating temperature range of -40°C to 125°C, ensuring reliability in harsh environments.
Applications
The LP2985IBP-2.8 is ideal for use in portable electronics, battery-powered devices, and other applications requiring stable voltage regulation. Its low dropout voltage and small footprint make it particularly suitable for mobile phones, handheld devices, and IoT applications. Additionally, it can be used in industrial and automotive systems where reliable power management is critical.
Q & A
What is the output voltage of the LP2985IBP-2.8?
The LP2985IBP-2.8 provides a fixed output voltage of 2.8V.
What is the maximum input voltage for this regulator?
The maximum input voltage is 16V.
What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
What is the maximum output current?
The maximum output current is 150mA.
What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
What package does the LP2985IBP-2.8 come in?
It comes in a 5-VFBGA surface-mount package.
Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and efficiency make it ideal for battery-powered applications.
Can it be used in automotive applications?
Yes, its wide operating temperature range and reliability make it suitable for automotive systems.
What is the regulator topology?
It is a positive, fixed-output linear regulator.
Is the LP2985IBP-2.8 RoHS compliant?
Yes, it is RoHS compliant.
