Sanken Electric STR-L472

Sanken Electric STR-L472 Environmental and export classification status description

The Sanken STR-L472 is a highly integrated switching regulator designed for power supply applications. It is optimized for use in offline AC-DC converters and is particularly suitable for consumer electronics and general-purpose applications. The STR-L472 integrates a high-voltage power MOSFET, control circuitry, and protection features into a single package, simplifying the design and reducing the number of external components required. Functions 1. AC-DC Conversion: Converts alternating current (AC) input voltage to a direct current (DC) output voltage. 2. Built-In PWM Control: Utilizes Pulse Width Modulation (PWM) to regulate the output voltage efficiently. 3. Protection Features: Includes over-voltage protection (OVP), over-load protection (OLP), and under-voltage lockout (UVLO). 4. Integrated MOSFET: Contains a high-voltage MOSFET to enable high efficiency and compact design. Applications 1. Consumer Electronics: Power supplies for TVs, audio equipment, and other electronic devices. 2. LED Drivers: Power supplies for LED lighting applications. 3. Home Appliances: Used in devices like air conditioners and refrigerators. 4. Industrial Power Supplies: Provides regulated voltage for equipment in industrial settings. 5. Battery Chargers: Used in wall adapters and chargers for various battery-operated devices. Alternative Parts 1. STR-L472X: A variant with minor adjustments or specifications. 2. MIP2 Series: Other parts from Sanken offering similar functionalities in a different package or power rating. 3. LM2596: An alternative from Texas Instruments that provides adjustable output voltage and can be used in similar applications. 4. TL494: A PWM controller from Texas Instruments that can be paired with external MOSFETs for similar designs. Embedded Modules - Evaluation Boards: Sanken or third-party manufacturers may provide evaluation boards designed around the STR-L472 for prototyping purposes. - Development Kits: Kits that include software and hardware to help design and implement applications using the STR-L472. - Power Supply Modules: Pre-assembled power supply modules that incorporate the STR-L472 for easy integration into end products. Related Q&A 1. Q: What types of devices can the Sanken STR-L472 be used in? A: The STR-L472 is suitable for use in consumer electronics, LED drivers, home appliances, industrial power supplies, and battery chargers. 2. Q: What protection features are integrated into the STR-L472? A: The STR-L472 includes over-voltage protection (OVP), over-load protection (OLP), and under-voltage lockout (UVLO) for increased reliability. 3. Q: How does the STR-L472 achieve high efficiency in power conversion? A: The device employs PWM control and integrates a high-voltage power MOSFET, which reduces losses and improves overall efficiency in power conversion. 4. Q: Are there alternative parts to the STR-L472 for similar applications? A: Yes, alternatives include the STR-L472X, LM2596 from Texas Instruments, and the TL494 PWM controller which can also be used in power supply designs. 5. Q: Can I find evaluation boards for the Sanken STR-L472? A: Yes, Sanken and various third-party manufacturers offer evaluation boards for the STR-L472 to help designers prototype their applications efficiently.