Overview
The LP2985ITPX-1.8/NOPB is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Designed for micropower applications, this regulator provides a fixed output voltage of 1.8V with a maximum output current of 150mA. It is part of the PMIC - Voltage Regulators - Linear category and is particularly suited for applications requiring low noise and low dropout voltage. The device operates over a wide input voltage range of 2.5V to 16V and is available in a compact 5-UFBGA package, making it ideal for space-constrained designs. Its target user groups include designers of portable electronics, IoT devices, and other battery-powered systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.8 | V | Fixed |
| Input Voltage | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | Maximum |
| Operating Temperature | -40 to 125 | °C | |
| Package | 5-UFBGA | Surface Mount | |
| Regulator Topology | Positive, Fixed |
Key Features
- Low dropout voltage of 0.28V at 150mA for efficient operation.
- Fixed output voltage of 1.8V ensures stable power supply.
- Wide input voltage range from 2.5V to 16V for versatile applications.
- Compact 5-UFBGA package suitable for space-constrained designs.
- Low noise output ideal for sensitive electronic circuits.
Applications
The LP2985ITPX-1.8/NOPB is widely used in portable electronics, IoT devices, and battery-powered systems. Its low dropout voltage and stable output make it suitable for powering microcontrollers, sensors, and other low-power components in applications such as wearables, smart home devices, and industrial automation. Its compact size and low noise characteristics also make it a preferred choice for audio and RF applications.
Q & A
1. What is the output voltage of the LP2985ITPX-1.8/NOPB?
The output voltage is fixed at 1.8V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the input voltage range?
The input voltage range is 2.5V to 16V.
4. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
5. What package does this regulator come in?
It comes in a 5-UFBGA package.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and low power consumption make it ideal for battery-powered devices.
8. Can this regulator be used in audio applications?
Yes, its low noise output makes it suitable for audio applications.
9. Is the output voltage adjustable?
No, the output voltage is fixed at 1.8V.
10. What are the key advantages of this regulator?
Key advantages include low dropout voltage, compact size, and low noise output.
