STMicroelectronics PTN78000WAH

The PTN78000WAH is a high-efficiency, DC-DC step-down (buck) converter that converts a higher input voltage to a lower output voltage. It is designed for applications needing regulated power supplies with high reliability and small form factor. Functions: - Step-Down Conversion: Converts higher DC input voltages (up to 36V) to lower output voltages (fixed or adjustable, typically around 5V or 3.3V). - Current Regulation: Provides stable current output up to a maximum threshold, ensuring that connected components receive adequate power. - Thermal Protection: Includes features that protect against overheating and overcurrent conditions. - Efficiency: Offers high conversion efficiency (typically over 90%), making it suitable for battery-powered applications where energy conservation is critical. Applications: - Industrial Equipment: Used in factory automation and control systems. - Communication Equipment: Powers devices such as routers, switches, and base stations. - Consumer Electronics: Found in applications like desktops, laptops, and other portable devices. - Automotive Applications: Provides power in automotive electronics with high reliability. - Embedded Systems: Supports various embedded applications requiring efficient power management. Alternative Parts: If you are considering alternatives to the PTN78000WAH, here are some options: - LM2596: A popular adjustable step-down voltage regulator suitable for similar applications. - TPS563201: A compact synchronous buck converter featuring excellent efficiency and performance. - LTM4600: A micro-sized, high-performance step-down regulator for tighter space applications. Embedded Modules: Some manufacturers may offer pre-assembled modules based on this technology, such as: - DC-DC Converter Modules with integrated PTN78000 components for simplified integration into designs. - Evaluation Boards for testing and prototyping before full-scale deployment. Q&A: Q1: What are the input voltage ranges for the PTN78000WAH? A1: The PTN78000WAH supports input voltage ranges from 7V to 36V. Q2: What is the maximum output current of the PTN78000WAH? A2: The maximum output current is typically up to 5A, depending on the specific model and thermal conditions. Q3: Can the output voltage of the PTN78000WAH be adjusted? A3: Yes, the PTN78000WAH is available in fixed output voltage versions (e.g., 5V) and adjustable versions that allow you to set the output voltage as needed. Q4: What are the efficiency ratings for the PTN78000WAH? A4: The PTN78000WAH typically boasts efficiencies greater than 90% under most operating conditions, making it suitable for energy-sensitive applications. Q5: What protective features are integrated into the PTN78000WAH? A5: The PTN78000WAH includes thermal shutdown, overcurrent protection, and input reverse polarity protection, ensuring high reliability in various applications.