Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications

Features
♦ 4.75V to 5.5V or 5V to 28V Input
♦ Dual-Output Synchronous Buck Controller
♦ Configurable for Two Separate Outputs (25A) or One Single Output (50A)
♦ Average Current-Mode Control with Accurate Adjustable Current Limit
♦ 180° Interleaved Operation Reduces Size of Input Rlter Capacitors
♦ Limits Reverse Current Sinking When Operated in Parallel Mode
♦ Each Output is Adjustable from 0.61V to 5.5V
♦ Independently Programmable Adaptive Voltage Positioning
♦ Monotonic Startup into Prebiased Outputs
♦ Independent Shutdown for Each Output
♦ 100kHzto IMHzper Phase Programmable Switching Frequency
♦ Oscillator Frequency Synchronization from 200kHz to 2MHz
♦ Digital Soft-Start on Outputs
♦ Hiccup-Mode Overcurrent Protection
♦ Overtemperature Shutdown
♦ Thermally Enhanced 28-Pin TSSOP Package Capable of Dissipating 2.1 W