Overview
The LP2985IM5-4.5/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. Designed for applications requiring low noise and high efficiency, this regulator is part of the MicroPwr series and supports an output current of up to 150mA. It is widely used in portable electronics, medical devices, and industrial systems due to its compact SOT-23-5 package and robust performance. The LP2985IM5-4.5/NOPB is particularly valued for its low dropout voltage and low quiescent current, making it ideal for battery-powered devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Low-Dropout (LDO) Regulator | - | - |
| Output Voltage | 4.5 | V | Fixed |
| Output Current | 150 | mA | Max |
| Input Voltage Range | 2.5 to 16 | V | - |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
| Quiescent Current | 95 | µA | Typical |
| PSRR | 45 | dB | Typical |
Key Features
- Low dropout voltage for efficient power management.
- Low quiescent current, ideal for battery-powered applications.
- Low noise output, suitable for sensitive analog circuits.
- Compact SOT-23-5 package for space-constrained designs.
- Wide input voltage range for versatile applications.
Applications
The LP2985IM5-4.5/NOPB is commonly used in portable electronics such as smartphones, tablets, and wearable devices, where efficient power management is critical. It is also employed in medical devices for its reliability and low noise characteristics. In industrial systems, this regulator is utilized in control modules and sensors due to its robustness and wide operating temperature range. Additionally, it is suitable for automotive electronics, where stable voltage regulation is essential.
Q & A
What is the maximum output current of the LP2985IM5-4.5/NOPB?
The maximum output current is 150mA.
What is the dropout voltage of this regulator?
The dropout voltage is 0.28V at 150mA.
What is the input voltage range?
The input voltage range is 2.5V to 16V.
What package does the LP2985IM5-4.5/NOPB come in?
It comes in a SOT-23-5 package.
What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
What is the typical quiescent current?
The typical quiescent current is 95µA.
What is the PSRR of this regulator?
The typical PSRR is 45dB.
Can it be used in medical devices?
Yes, its low noise and reliability make it suitable for medical applications.
What is the fixed output voltage?
The fixed output voltage is 4.5V.
