||Sanken Power Devices from Allegro MicroSystems
Universal-Input 20 W 67 kHz Flyback Switching Regulators
S Re w it gu chi lat ng ors
Approximate Scale 1:1
FEATURES AND BENEFITS 67 kHz PWM with ±5% frequency jittering for EMI noise filtering and cost reduction Rugged 650 V avalanche-rated MOSFET: • Simplified surge absorption • No VDSS derating required Low RDS(on) : 2.8 Ω maximum Auto-burst mode for stand-by operation or light loads; less transformer audible noise Built-in leading edge blanking Soft start and low start-up current; start-up circ.