● No-load power consumption < 20mW at 230 VAC with
typical application circuit (5 star rating)
● Fast dynamic load response for both one-time and
repetitive load transients
● Very tight constant voltage and constant current
regulation over entire operating range
● PrimAccurateTM primary-side feedback eliminates
opto-isolators and simplifies design
● Low EMI design enhances manufacturability
● Intrinsically low common mode noise
● Optimized 72kHz maximum PWM switching frequency
achieves best size and efficiency
● Active start-up scheme enables fastest possible startup
● Adaptive multi-mode PWM/PFM control improves
efficiency
● Quasi-resonant operation for highest overall efficiency
● Direct drive of low-cost BJT switch
● Dynamic base current control
● No external loop compensation components required
● Complies with EPA 2.0 energy-efficiency
specifications with ample margin
● Built-in soft start
● Built-in short circuit protection and output overvoltage
protection
● Built-in current sense resistor short circuit protection
● No audible noise over entire operating range