Overview
The LP2985IM5-5.7/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to provide a stable 5.7V output voltage with a maximum output current of 150mA. It is housed in a compact SOT-23-5 package, making it ideal for space-constrained applications. The LP2985IM5-5.7/NOPB is widely used in portable electronics, IoT devices, and other battery-powered systems where efficient power management is critical. Its low dropout voltage and low quiescent current make it a competitive choice for energy-efficient designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 5.7 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | Typical at 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 75 | µA | Typical |
| Package | SOT-23-5 | ||
| Operating Temperature Range | -40 to 125 | °C | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Output Noise | 40 | µVRMS | 10Hz to 100kHz |
Key Features
- Fixed 5.7V output voltage for precise regulation.
- Low dropout voltage of 300mV at 150mA, ensuring efficient operation even with low input voltages.
- Low quiescent current of 75µA, enhancing battery life in portable applications.
- Wide input voltage range from 2.5V to 16V, accommodating various power sources.
- Compact SOT-23-5 package, suitable for space-constrained designs.
- Excellent line and load regulation for stable performance under varying conditions.
- Low output noise of 40µVRMS, ideal for noise-sensitive applications.
Applications
The LP2985IM5-5.7/NOPB is versatile and finds applications in a wide range of fields. It is commonly used in portable electronics such as smartphones, tablets, and wearable devices, where efficient power management is essential. In IoT devices, it ensures stable voltage supply for sensors and microcontrollers. Additionally, it is employed in automotive electronics for powering infotainment systems and other low-power components. Its compact size and low power consumption also make it suitable for medical devices and industrial control systems.
Q & A
1. What is the output voltage of the LP2985IM5-5.7/NOPB?
The output voltage is fixed at 5.7V.
2. What is the maximum output current it can handle?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is typically 300mV at 150mA.
4. What is the input voltage range?
The input voltage range is from 2.5V to 16V.
5. What is the quiescent current of this regulator?
The quiescent current is typically 75µA.
6. What package does the LP2985IM5-5.7/NOPB come in?
It is housed in a SOT-23-5 package.
7. Is this regulator suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
8. Can it operate in extreme temperatures?
Yes, it operates within a temperature range of -40°C to 125°C.
9. Does it have low output noise?
Yes, the output noise is typically 40µVRMS from 10Hz to 100kHz.
10. What are some typical applications of this regulator?
Typical applications include portable electronics, IoT devices, automotive electronics, and medical devices.
