SQ33020FVP is a high-performance flyback controller launched by Silijie, designed specifically for high-efficiency and low standby power applications. It integrates optimized start-up circuits and intelligent control logic, achieving excellent light load performance and fast dynamic response, suitable for scenarios such as adapters, chargers, and low-power switching power supplies, effectively reducing energy consumption while ensuring stable output.

·Rated switching frequency: 65kHz

·CCM+QR combined operation mode

·Down conversion and burst mode control

·The minimum switching frequency is limited to 25kHz

·FSW modulation to reduce EMI noise

·Programmable power down protection for ZCS pin

·Programmable output OVP through ZCS pin

·Programmable external OTP via CS pin

·OLP, VCC OVP, internal OTP

·Secondary diode short-circuit protection

·OCP compensation within the universal input range

·Low starting current:<4uA

·Gate drive capability: 210mA/420mA (on/off)

·Internal soft start process

·Compliant with RoHS and halogen-free

·Compact Package: SOT23-6