AC Input ----[ Bridge Rectifier ]----+-------[ Primary Winding ]------- (Pin 1: Drain) | | [Cap] [STR-F6267] | | +-------------[ VCC Ckt ]---------- (Pin 4: VCC) | (Pin 2: Source) | [Rsense] | (GND Plane) Design Considerations
(Note: Certain vendor footprint variations list basic layouts under standard 5-pin configuration systems for simplified ZIP processing). Key Electrical Parameters
The STR-F6267 is a hybrid integrated circuit (IC) designed specifically for flyback switching mode power supplies (SMPS). It integrates a high-voltage power MOSFET and a controller chip into a single package. This device is widely used in consumer electronics like televisions, monitors, and power adapters due to its efficiency and robust built-in protection features. 1. Overview and Key Features str f6267 datasheet pdf
Important: The datasheet recommends specific PCB layout guidelines, including shortening the S/OCP trace and minimizing the loop area of the primary current path.
Understanding the pin layout is essential for both initial schematic design and board-level troubleshooting. Below is the standard 5-pin configuration for the STR-F6267 series module: This device is widely used in consumer electronics
To review complete mechanical dimensions, thermal resistance charts, and characteristic curves, downloading the official manufacturer datasheet PDF is highly recommended.
Measure the resistance between Pin 1 (Drain) and Pin 2 (Source). A low resistance reading (close to 0 Ohms) indicates that the internal power MOSFET has suffered a catastrophic short-circuit failure. Understanding the pin layout is essential for both
The is a highly integrated power IC designed for flyback switching regulator applications . Manufactured by Sanken Electric Co., Ltd., this integrated circuit combines a primary control circuit (PWM) and a high-voltage power MOSFET on a single monolithic chip. It is widely utilized in switch-mode power supplies (SMPS) for consumer electronics, including television sets, monitors, and audio equipment.
Enhances safety during overload conditions.
When you open the , pay special attention to these sections:
