IW1690 controller equivalent, low-power off-line digital pwm controller.
* Primary-side feedback eliminates opto-isolators and simplifies design
* Direct drive of BJT switching device
* Multi-mode operation for highest overall e.
and allows for a wide input voltage range.
The ultra-low start-up power and operating current at light load ensure that .
The iW1690 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies. The device directly drives a BJT switching device and provides high efficiency along with a nu.
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