SMB111

SMB111 Preliminary Information Four Channel Programmable DC-DC System Power Manager FEATURES & APPLICATIONS Digital programming of all major parameters via I2C interface and non-volatile memory o Output voltage set point o Output power-up/down sequencing o Digital soft-start and output slew rate o Input/Battery voltage monitoring o UV/OV monitoring of all outputs o Enable/Disable outputs independently Four output channels o Three synchronous step-down (buck) channels o One step-up (boost) channel User friendly Graphical User Interface (GUI) +2.7V to +6.0V Input range Highly accurate output voltage (<0.5%) with Active DC Output Control (ADOC™) technology Undervoltage Lockout (UVLO) with hysteresis 800 kHz operating frequency 96 bytes of user configurable nonvolatile memory Applications Digital camcorders/still cameras Portable DVD/MP3/GPS Camera/smart phones TFT/LCD Displays/Monitors/TV’s Mobile Computing/PDA’s Consumer battery-operated equipment SIMPLIFIED APPLICATIONS DRAWING SMB111 INTRODUCTION The SMB111 is a highly integrated and flexible four-channel power manager designed for use in a wide range of portable applications. The built-in digital programmability allows system designers to custom tailor the device to suit almost any multichannel power supply application from digital camcorders to mobile phones. Complete with a user friendly GUI, all programmable settings including output voltages and input/output voltage monitoring can be custom...