AT1865

Global Mixed-mode Technology Inc. AT1865 4+1 Channel DC-DC converter for DV Features „ 1.8V ~ 5.5V BAT Input Voltage Operation. „ 3.0V ~ 5.5V VCC Input Voltage Operation. „ 95% Efficient DC/DC Converter. „ Combine Step-Up and Step-Down for 90% Effi- cient Boost-Buck and Buck-Boost. „ Highly Integrated 4+1 CH DC/DC with inte- grated Power MOSFETs. „ CH2 Selectable Buck or Boost for Li-ion Bat- tery Application. „ 4 Channel Built-in Synchronous Rectified Cur- rent-Mode PWM Converters. „ Low Power Consumption (Sleep Mode) <10uA. „ Built-In Short-circuit Protection (SCP) and Over Current Protection (OCP) for MOSFETs. „ Built-In Over Voltage Protection (OVP) and Over Load Protection (OLP). „ Built-In Soft-Start Function. „ Built-In Power ON/OFF Sequence Control. „ Built-In RTC LDO „ Built-In RESET function „ Fixed 1MHz Operating Frequency. „ TQFN28 Package (4mm x 4mm). General Description The AT1865 provide a complete power supply solution for digital video. They improve...