Overview
The LP2985IM5-2.0/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise voltage supply, this component is part of the LP2985 series, known for its high accuracy and low quiescent current. The LP2985IM5-2.0/NOPB is specifically tailored for battery-powered devices, portable electronics, and other low-power systems. Its compact SOT-23-5 package makes it ideal for space-constrained designs. With a fixed output voltage of 2.0V and a maximum output current of 150mA, this regulator is a reliable choice for maintaining voltage stability in a variety of applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.0 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 280 | mV | at 150mA |
| Input Voltage Range | 2.3 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Package | SOT-23-5 | ||
| Operating Temperature | -40 to +125 | °C | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.05 | %/mA | Typical |
| PSRR | 65 | dB | at 1kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
- Low Quiescent Current: Ideal for battery-powered applications, extending battery life.
- High Accuracy: Provides a precise output voltage of 2.0V with minimal deviation.
- Compact Package: SOT-23-5 package saves board space in compact designs.
- Wide Input Voltage Range: Supports a broad range of input voltages from 2.3V to 16V.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety in demanding conditions.
Applications
The LP2985IM5-2.0/NOPB is widely used in various industries due to its reliability and efficiency. Key applications include:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where low power consumption is critical.
- Battery-Powered Devices: Including medical devices, IoT sensors, and remote controls.
- Consumer Electronics: Such as digital cameras, MP3 players, and portable gaming consoles.
- Industrial Automation: For powering low-power sensors and control modules.
- Automotive Electronics: In infotainment systems, dashboard displays, and other low-power components.
Q & A
1. What is the dropout voltage of the LP2985IM5-2.0/NOPB?
The dropout voltage is 280mV at a load current of 150mA.
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 from 2.3V to 16V.
4. What is the quiescent current?
The typical quiescent current is 75µA.
5. What package does the LP2985IM5-2.0/NOPB come in?
It comes in a SOT-23-5 package.
6. What is the operating temperature range?
The operating temperature range is from -40°C to +125°C.
7. Does it have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
8. Is the output voltage fixed or adjustable?
The output voltage is fixed at 2.0V.
9. What is the typical line regulation?
The typical line regulation is 0.02%/V.
10. What is the typical PSRR?
The typical PSRR is 65dB at 1kHz.
