iW1770 Datasheet | Dialog Semiconductor

i W1770 Off-Line Digital Quasi-Resonant PWM Controller with Peak Power Operation 1 Description The i W1770 is a high performance AC/DC power supply controller that uses digital control technology to build peak current mode PWM flyback power supplies. The device operates in quasi-resonant mode to provide high efficiency and includes a number of key built-in protection Features while minimizing the external ponent count, simplifying EMI design and lowering the total bill of material cost. The i W1770 can operate at peak power mode with momentary peak power higher than the maximum continuous output power without design cost and size increase. The i W1770 removes the need for a secondary feedback circuit while achieving excellent line and load regulation. It also eliminates the need for loop pensation ponents while maintaining stability over all operating conditions. Pulse-by-pulse waveform analysis allows for a fast dynamic load transient reponse. The built-in power limit function...