HM5309 controller equivalent, pfm step-up dc-dc controller.
* Operating voltage range：2.7V to 6.5V
* Low Operating Current: 32uA@5V
* Fixed Output Voltage of 9V
* High Output voltage accuracy：±1%
* No Feedback .
where extremely low cost and small size are top priorities. The output voltage is fixed at 9V with 1% accuracy from an i.
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