Features
Only 7 external components required.
Operation from 3V to 40V.
Low standby current.
Output switching current to 500mA.
SOT-23 6-pin small package..
Operation frequency up to 180KHz.
Applications
DC/DC Application.
Battery chargers.
Car chargers.
檔案下載：
HY491規格書
#PWM#IC#BUCK#BOOST#穩壓#電源
https://310116002536973.ec66.tw/web/NMD?postId=1100933三边封复合膜6头秤电子秤茶叶包装机
产 品 说 明 产品说明： 本包装机由多通道螺旋式快速电子称和小型三边封立式包装机组成，采用气动和电机混合动力。速度快，
