STMicroelectronics Launches 40 V LDO Voltage Regulators for Use in Industrial and Automotive Sectors
STMicroelectronics Expands Low-Dropout Regulator Portfolio with LDH40 and LDQ40 for Automotive and Industrial Applications
BonChip Electronics, a trusted distributor of STMicroelectronics products, is excited to announce the availability of the new LDH40 and LDQ40 voltage regulators from STMicroelectronics. These low-dropout (LDO) regulators offer exceptional performance, efficiency, and a wide range of features, making them ideal for automotive and industrial applications.
Designed for Energy-Conscious Applications
The LDH40 and LDQ40 regulators prioritize energy efficiency:
- Ultra-Low Quiescent Current: Both regulators boast an impressively low quiescent current of 2 µA at zero load, minimizing power consumption in standby mode. The LDQ40 further enhances efficiency with a 300 nA logic-controlled shutdown mode, ideal for battery-powered applications.
- Wide Input Voltage Range: The LDH40 and LDQ40 can operate with an input voltage range of 3.3 V to 40 V, making them suitable for various power supply configurations. This broad input range is particularly valuable in automotive applications where the vehicle's 12 V bus can experience transient voltage spikes up to 40 V.
STMicroelectronics LDH40: High-Performance Adjustable Output Regulator
The LDH40 is a high-performance adjustable output regulator tailored for demanding applications. Key features include:
- Adjustable Output Voltage: Offers a wide output voltage range of 1.2 V to 22 V, providing flexibility for diverse system requirements.
- High Output Current: Delivers up to 200 mA of output current, powering various electronic components.
- Automotive Qualification: AEC-Q100 qualified, ensuring reliability and robustness in harsh automotive environments.
- Compact Package: Packaged in a space-saving 2 mm x 2 mm DFN6L package with wettable flanks for simplified PCB design and automated inspection.
STMicroelectronics LDQ40: Versatile Regulator with Fixed or Adjustable Output Options
The LDQ40 regulator caters to applications requiring fixed or adjustable output voltages. Key features include:
- Adjustable and Fixed Output Options: Available with a 1.2 V to 12 V adjustable output range or fixed output voltages of 1.8 V, 2.5 V, 3.3 V, and 5.0 V, providing compatibility with a wide range of system needs.
- High Output Current: Delivers up to 250 mA of output current, supporting various power requirements.
- Industrial and Automotive Grade Options: Available in both industrial and automotive grades, offering flexibility for diverse application environments.
- Short-Circuit Protection: The LDQ40 features integrated short-circuit protection for enhanced reliability.
Comprehensive Protection and Management Features
Both the LDH40 and LDQ40 regulators offer a robust set of protection and management features:
- Internal Current Limiting: Protects the device from overload conditions.
- Thermal Protection: Provides automatic shutdown in case of overheating.
- Soft-Start: Reduces inrush current during startup, minimizing system stress.
- Output Active Discharge: Facilitates rapid discharge of the output capacitor.
- Enable Pin: Allows for external control of the regulator's shutdown function.
- Power-Good Pin: Provides a signal indicating the regulator's operational status.
Ideal Applications
The LDH40 and LDQ40 regulators are well-suited for a wide range of applications in the automotive and industrial sectors, including:
- Infotainment systems
- Instrument clusters
- Advanced driver-assistance systems (ADAS)
- Industrial automation equipment
- Point-of-load (POL) power supplies
- And other applications requiring efficient, reliable power conversion
BonChip Electronics: Your Source for STMicroelectronics LDO Regulators
As a leading distributor of STMicroelectronics products, BonChip Electronics offers the complete range of LDH40 and LDQ40 LDO regulators. Our knowledgeable team is dedicated to assisting you in selecting the ideal regulator for your specific application requirements. Contact BonChip Electronics today to learn more about how these innovative regulators can elevate the performance and efficiency of your designs.
