Overview
The LP2985IM5-1.8/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed for applications requiring a stable and low-noise power supply. This model is part of the LP2985-N series, known for its ultra-low dropout and micropower consumption. The LP2985IM5-1.8/NOPB is particularly suited for portable and battery-powered devices due to its efficiency and compact SOT-23-5 package. Its target users include designers of consumer electronics, medical devices, and industrial equipment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Maximum Input Voltage | 16 | V | |
| Output Voltage | 1.8 | V | Fixed |
| Dropout Voltage (Max) | 0.575 | V | at 150 mA |
| Output Current | 150 | mA | |
| Number of Outputs | 1 | ||
| Output Type | Fixed | ||
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.007 | % | |
| Load Regulation | 0.3 | % | |
| PSRR (Typical) | 45 | dB |
Key Features
- Ultra-low dropout voltage for efficient power management.
- Low noise output, ideal for sensitive analog and RF circuits.
- Wide input voltage range from 2.5 V to 16 V.
- Compact SOT-23-5 package for space-constrained applications.
- Thermal shutdown and current limit protection for enhanced reliability.
Applications
The LP2985IM5-1.8/NOPB is widely used in portable electronics, medical devices, and industrial control systems. Its low noise and stable output make it suitable for powering sensors, microcontrollers, and RF modules. Additionally, its low dropout voltage ensures efficient operation in battery-powered devices, extending battery life.
Q & A
1. What is the maximum input voltage for the LP2985IM5-1.8/NOPB?
The maximum input voltage is 16 V.
2. What is the output voltage of this regulator?
The output voltage is fixed at 1.8 V.
3. What is the dropout voltage at 150 mA?
The dropout voltage is 575 mV at 150 mA.
4. What is the typical PSRR value?
The typical PSRR value is 45 dB.
5. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
6. What package does this regulator use?
It uses the SOT-23-5 package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage makes it ideal for battery-powered applications.
8. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
9. What is the line regulation specification?
The line regulation is 0.007%.
10. What is the factory packaging quantity?
The factory packaging quantity is 1000 units per reel.
