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Применения > > Evaluation Kit for the MAX8857A (MAX8857AEVKIT)

Evaluation Kit for the MAX8857A (MAX8857AEVKIT) (MAX8857AEVKIT)

The MAX8857A evaluation kit (EV kit) is a fully assembled and tested PCB for evaluating the MAX8857A power-management IC (PMIC). The MAX8857A PMIC is ideal for use in digital still cameras (DSCs) and digital video cameras (DVCs). The MAX8857A improves performance, component count, and board space utilization compared to currently available solutions for 2 AA cell and dual-battery designs. On-chip power MOSFETs provide up to 95% efficiency for critical power supplies. The CCD inverter can operate directly from 2 AA/NiMH batteries without the use of any additional external components.


  • 95% Efficient Synchronous-Rectified DC-DC Converters
  • 90% Efficient Boost-Buck Operation
  • Up to 85% Efficient, DC-DC Converters for CCD, LCD, WLED, and/or OLED
  • Inverter Operates Directly from 2 AA Batteries
  • Internal Compensation on All Channels
  • True Shutdown™ on All Step-Up Converters
  • Overload Protection
  • Startup into Short Protection
  • Soft-Start for Controlled Startup Current
  • 100% Duty Cycle on Step-Down Converters
  • Regulated Current Output for Up to 4 White LEDs
  • PWM Dimming of WLED Current
  • Adjustable LED Overvoltage Protection Up to 27V
  • Transformerless Inverting Converter for CCD
  • 2MHz ±2.5% Switching Frequency
  • 1µA Shutdown Supply Current
  • CCD Voltage Sequencing
  • All Internal Power MOSFETs
  • SDOK Power-OK Indicator
  • Lead-Free and RoHS Compliant
  • Fully Assembled and Tested


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