High Performance AC/DC Primary Side Switcher IC

Extra low standby power consumption
System frequency up to 145kHz
Paired with the Jiyuan’s secondary chip
High precision constant voltage and constant current control without opto-couplerInnovative VCC power technology to eliminate the influence of VCC by input and output voltage range
Proprietary Zero Voltage Switching (ZVS) technology to improve system efficiency
Innovative increasing frequency technology at light and extra-light load to improve audible noise
Innovative X-Capacitor discharge technology eliminating the needs for external discharge resistors and build-in discharge circuit.
Support DCM/QR mode to enhance load capacity and improve output voltage ripple
Low BOM cost and component count
Frequency jitter for EMI
Comprehensive protection function
Over temperature protection (OTP)Show More
JY7520 Preliminary datasheet
Test Report
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