Overview
The LP5912Q1.1DRVRQ1 is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for automotive applications, this LDO regulator offers exceptional accuracy, low noise, and high reliability, making it ideal for powering sensitive electronic components in vehicles. Its market positioning targets automotive electronics, particularly in advanced driver-assistance systems (ADAS), infotainment, and body control modules. The LP5912Q1.1DRVRQ1 stands out for its ultra-low dropout voltage, wide input voltage range, and robust protection features, ensuring stable operation in demanding automotive environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.1 | V | Fixed output |
| Input Voltage Range | 2.5 to 5.5 | V | |
| Dropout Voltage | 150 | mV | at 300 mA |
| Output Current | 300 | mA | Maximum |
| Accuracy | ±1.5 | % | Over temperature |
| Quiescent Current | 28 | µA | Typical |
| PSRR | 70 | dB | at 1 kHz |
| Operating Temperature Range | -40 to 125 | °C | Automotive-grade |
| Package | SON-6 | DRV package | |
| Protection Features | Thermal shutdown, current limit |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with minimal headroom between input and output voltages.
- High PSRR: Provides excellent noise rejection, making it suitable for noise-sensitive applications.
- Low Quiescent Current: Enhances energy efficiency, critical for battery-powered automotive systems.
- Robust Protection: Includes thermal shutdown and current limit features for enhanced reliability.
- Automotive-Grade: Designed to meet stringent automotive quality and reliability standards.
Applications
The LP5912Q1.1DRVRQ1 is widely used in automotive electronics, including:
- Advanced Driver-Assistance Systems (ADAS): Powers sensors and cameras with stable and clean voltage.
- Infotainment Systems: Ensures reliable operation of audio and display modules.
- Body Control Modules: Provides consistent power for lighting, window controls, and other body electronics.
- Telematics and Connectivity: Supports communication modules with low noise and high efficiency.
Q & A
1. What is the output voltage of the LP5912Q1.1DRVRQ1?
The output voltage is fixed at 1.1 V.
2. What is the input voltage range for this LDO regulator?
The input voltage range is 2.5 V to 5.5 V.
3. Can this regulator handle high current loads?
Yes, it supports a maximum output current of 300 mA.
4. Is the LP5912Q1.1DRVRQ1 suitable for automotive applications?
Yes, it is designed to meet automotive-grade standards and is ideal for automotive electronics.
5. What is the dropout voltage of this LDO regulator?
The dropout voltage is 150 mV at 300 mA.
6. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
7. What is the typical quiescent current?
The typical quiescent current is 28 µA.
8. What is the PSRR of this regulator?
The PSRR is 70 dB at 1 kHz.
9. What package does the LP5912Q1.1DRVRQ1 come in?
It comes in a SON-6 package (DRV).
10. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
