IW1676中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

● No-load power consumption < 30mW at 230VAC 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

● Primary-side feedback eliminates optoisolators and

simplifies design

● 64kHz PWM switching frequency

● Ultra-low start-up current (1.7μA typical)

● EZ-EMI TM design enhances manufacturability

● Intrinsically low common mode noise

● 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 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