ACT88320

BENEFITS and FEATURES  Wide input voltage range  Vin = 2.7V to 5.5V  Blocking up to 20V  Complete integrated power solution  One 4A DC/DC Step-Down with Bypass Mode  Two 2.5A DC/DC Step-Down Regulators  Two 200mA LDOs  High Power Load Switch Gate Driver with Slew Rate Control  Space Savings  Fully integrated  High Fsw = 2.25MHz or 1.125MHz  Integrated sequencing  Easy system level design  Configurable sequencing  Seamless sequencing with external supplies  Programmable Reset and Power Good GPIO’s  Buck 1 Bypass Mode for 3.3V system level compliance  Highly configurable  uP interface for status reporting and controllability  Flexible Sequencing Options  I2C Interface – 1MHz  Multiple Sleep Modes  See ACT88321 for Pushbutton Startup APPLICATIONS  Solid-State Drives  Microcontroller Applications  FPGA  Personal Navigation Devices ACT88320 Advanced PMU with Inrush Control and Bypass Switch GENERAL DESCRIPTION The ACT88320 PMIC is an integrated ActivePMU™ power management unit. It is highly flexible and can be reconfigured via I2C for multiple applications without the need for PCB changes. The low external component count and high configurability significantly speeds time to market. Examples of configurable options include output voltage, startup time, system level sequencing, switching frequency, sleep modes, operating modes etc. The core of the device includes 3 DC/DC step down converters using integrated power FETs, and 2 low-dropout regulators (LDO...