iW1699 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller 1 Description The iW1699 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 key built-in protection features while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost.
The iW1699 removes the need for a secondary feedback circuit while achieving excellent line and load regulation.
It also eliminates the need for loop compensation components while maintaining stability over all operating conditions.
Pulse-by-...

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