STRG6653, 650V 2.7A Quasi-Resonant Flyback Switching Regulator, TO-220-5

The STRG6653 is a highly integrated quasi-resonant flyback switching regulator designed for off-line power supply applications. It incorporates a primary control and drive circuit with a discrete avalanche-rated power MOSFET, providing efficient and reliable performance. The device offers comprehensive protection features, including cycle-by-cycle current limiting, under-voltage lockout with hysteresis, over-voltage protection, and thermal shutdown. Its quasi-resonant operation enhances efficiency and reduces EMI, making it suitable for various applications such as TVs, monitors, and industrial power supplies.​

Key Features:

• Integrated Power MOSFET: Combines control circuitry with a discrete avalanche-rated power MOSFET for efficient operation.​
• Quasi-Resonant Operation: Enhances efficiency and reduces EMI in off-line flyback converters.​
• Comprehensive Protection Features: Includes cycle-by-cycle current limiting, under-voltage lockout with hysteresis, over-voltage protection, and thermal shutdown.​
• Low-Power Standby Mode: Features a pulse-ratio-controlled standby mode for energy savings.​
• High Insulation Voltage: Provides 2000V RMS insulation voltage, ensuring safety in high-voltage applications.​
• Robust Thermal Performance: Operates reliably over a wide temperature range with a maximum junction temperature of +150°C.​

Additional Specifications:

• Package Type: TO-220-5
• Supply Voltage: 35V
• Current: 2.7A
• Type: Quasi-Resonant Flyback Switching Regulator