MAX8680 Overview
The MAX8680 highly efficient plete 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.
MAX8680 Key Features
- Step-up synchronous-rectified DC-DC converter (SU). The MAX8680 is bootstrapped from VSU
- MAIN synchronous-rectified step-down DC-DC converter (M) for DSP I/O supply voltage. DDRZ synchronous-rectified step-dow
- 95% Efficient Synchronous-Rectified DC-DC Converters
- 90% Efficient Boost-Buck Operation
- 85% Efficient DC-DC Converters for CCD, LCD, WLED, and/or OLED
- Internal pensation on All Channels
- True Shutdown on All Step-Up Converters
- Overload Protection
- Soft-Start for Controlled Startup Current
- Dropout Operation (100% Duty Cycle) on StepDown Converters