Primary-side constant voltage (CV) control, supporting Buck, Buck-Boost, Boost and Flyback topologies

Integrated 500V MOSFET and current source

<30mW no-load power consumption

Up to 2W output power

Maximum DCM output current less than 40mA

Maximum CCM output current less than 70mA

Low VCC Operating Current

Frequency foldback

Limited maximum frequency

Peak-current compression

Internally biased VCC

Thermal shutdown (auto restart)

VCC under voltage lockout with hysteresis

Timer based over-load protection.

Short-circuit protection

Open-loop protection