MAX8680

The MAX8680 highly efficient complete power-supply solution is designed for digital still cameras (DSCs) and digital video cameras (DVCs). The device integrates seven on-chip power MOSFET DC-DC converters with up to 95% efficiency to power all critical power supplies in DSC systems. Each converter MAX8680 also features True Shutdown, as well as internal compensation to minimize external component count.

Features of the MAX8680 are:(1)95% efficient synchronous-rectified DC-DC converters; (2)90% efficient boost-buck operation; (3)85% efficient DC-DC converters for CCD, LCD,WLED, and/or OLED; (4)internal compensation on All channels; (5)true shutdown on all step-up converters; (6)overload protection; (7)soft-start for controlled startup current; (8)dropout operation (100% duty cycle) on step-down converters; (9)regulated current output for up to 6 white LEDs; (10)PWM dimming of WLED current; (11)adjustable LED Overvoltage protection Up to 27V; (12)transformerless inverting converter for CCD; (13)2MHz switching frequency for low-voltage channels.

The absolute maximum ratings of the MAX8680 can be summarized as:(1)operating temp:-40 to 85.The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the datasheet(s).In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,medical equipment, and safety equipment), safety should be ensured by using semiconductor devices that feature assured safety or by means of users' fail-safe precautions or other arrangement.In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation of the user's units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information, products or circuits described in the datasheets.

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