Both the Von and Voff output voltages use an external diode and a capacitor multiplier to regulate the output. Because the AAT2820 does not use high inductance, it can be designed to be ultra-thin with a height of only 0.8mm.
The AAT2820's switching frequency is 1MHz, allowing designers to use ultra-small external capacitors. It integrates a soft-start circuit to protect the device from excessive inrush current during startup. Its low power shutdown feature disconnects the load from Vin, reducing the quiescent current to less than 0.1μA. Its thermal protection circuit turns off all charge pumps when the die temperature exceeds a preset value.
JHP series gold-loaded carbon medium temperature non-cyanide desorption and same temperature electrolysis equipment was developed by Changchun Gold Research Institute Co., Ltd. in 1998 and entered the market. It has been used in more than 800 enterprises at home and abroad. This series of equipment is oriented to the gold-loaded carbon in the gold cyanide carbon slurry process for gold desorption and electrolysis, and the gold adsorbed on the gold-loaded carbon is produced in the form of high-grade gold mud. After decades of practical application and continuous optimization and improvement in enterprises, this series of equipment has developed to the fifth generation.
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