Document
iW1710
Digital PWM Current-Mode Controller for Quasi-Resonant Operation
1.0 Features
●● Primary-side feedback eliminates opto-isolators and simplifies design
●● Quasi-resonant operation for highest overall efficiency ●● EZ-EMI ® design to easily meet global EMI standards
●● Up to 130 kHz switching frequency enables small adapter size
●● 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
●● PFM operation at light load
●● Current sense resistor short protection
●● Overtemperature Protection
2.0 Description
The iW1710 is a high performance AC/DC power suppl.