Eliminates External Components and Reduces Total Cost No Schottky-Synchronous Operation for High Efficiency and Reduced Cost Internal Compensation for Stable Operation at Any Output Voltage All-Ceramic Capacitor Solution: Ultra-Compact Layout with as Few as Eight External Components Reduces Number of DC-DC Regulators to Stock Wide 4.5V to 60V Input Voltage Range 0.9V to 90%VIN Output Voltage Delivers Up to 2.5A Over Temperature 100kHz to 2.2MHz Adjustable Frequency with External Synchronization MAX17503S Allows Higher Frequency of Operation Available in a 20-Pin, 4mm x 4mm TQFN Package Reduces Power Dissipation Peak Efficiency > 90% PFM and DCM Modes for High Light-Load Efficiency Shutdown Current = 2.8μA (typ) Operates Reliably Hiccup-Mode Current Limit and Autoretry Startup Built-In Output-Voltage Monitoring (Open-Drain Active-Low RESET Pin) Resistor-Programmable Threshold Adjustable Soft-Start and Prebiased Power-Up High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range Applications Base Station Power Supplies Distributed Supply Regulation General-Purpose Point-of-Load High-Voltage Single-Board Systems Industrial Power Supplies Wall Transformer Regulation
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