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