Description

8-Channel Programmable, Parallelable 1A Buck DC/DCs Features: 8-Channel Independent Step-Down DC/DCs Master-Slave Configurable for Up to 4A Per Output Channel with a Single Inductor Independent VIN Supply for Each DC/DC (2.25V to 5.5V) All DC/DCs Have 0.425V to VIN Output Voltage Range Precision Enable Pin Thresholds for Autonomous Sequencing (or I2C Control) 1MHz to 3MHz Programmable/Synchronizable Oscillator Frequency (2MHz Default) I2C Selectable Phasing (90° Steps) Per Channel Programmable Power-On Reset/Watch Dog/Pushbutton Timing Die Temperature Monitor Output 48-Lead (7mm × 7mm) QFN Package