IW1690-02中文資料瑞薩數據手冊PDF規(guī)格書

? Primary-side feedback eliminates opto-isolators and

simplifies design

? Direct drive of BJT switching device

? Multi-mode operation for highest overall efficiency

? Built-in cable drop compensation

? Very tight output voltage regulation

? No external compensation components required

? Complies with CEC/EPA no load power consumption

and average efficiency regulations

? Built-in output constant-current control with primary-side

feedback

? Low start-up current (10 μA typical)

? Built-in soft start

? Built-in short circuit protection and output overvoltage

protection

? Optional AC line under/overvoltage protection

? Fixed switching frequency: 45 kHz, 65 kHz or 75 kHz

? Dynamic base current control

? PFM operation at light load

? Built-in current sense resistor short protection