ICE2QR4765 Off-Line power management chip

ICE2QR4765 Integrated power management IC with 650V avalanche rugged CoolMOS™, startup cell and QR current mode flyback PWM controller in DIP-8 package.  Capable for 16W SMPS design. 

Features:

Quasiresonant operation till very low load

Active burst mode operation for low standby input power (< 0.1W)

Digital frequency reduction with decreasing load for reduced switching loss

Built-in digital soft-start

Foldback point correction and cycle-by-cycle peak current limitation

Maximum on time limitation

Auto restart mode for VCC Overvoltage and Undervoltage protections

Auto restart mode for overload protection

Auto restart mode for overtemperature protection

Latch-off mode for adjustable output overvoltage protection and transformer short-winding protection

Applications:

Small power supply such as Blu-ray, DVD player, set-top box, game console, smart meter, charger and auxiliary power of high power system such as LED TV, etc.