Features

▪ Flyback regulator with 900V 10Ω MOSFET

▪ Single 400V input capacitor for input up to 450VAC

▪ Frequency doubling for heavy load operation (up to

12W), with programmable duration <100ms

▪ Valley switching to reduce switching losses

▪ Programmable constant frequency DCM operation

(recommended range 50kHz ~100kHz)

▪ Burst mode operation at light load

▪ Protection features: Short-Circuit Protection (SCP),

Overload Protection (OLP), Input Undervoltage

Lockout (VinUV), Input OVP, VCC Overvoltage

Protection (VccOV), VCC Undervoltage Lockout

(VccUV) and Over-Temperature Protection (OTP).

Applications

▪ Smart Meter

▪ Large appliances

▪ Industry control