Maxim Integrated Switching Regulator, Surface Mount, 4.75 → 5.25V dc Output Voltage, 4.5 → 42V dc Input

Reduces External Components and Total Cost
No Schottky Synchronous Operation
Internal Compensation for Any Output Voltage
Built-In Soft-Start
All-Ceramic Capacitors, Compact Layout
Reduces Number of DC-DC Regulators to Stock
Wide 4.5V to 42V Input
Adjustable 0.9V to 0.9 x VIN Output
100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
Reduces Power Dissipation
Peak Efficiency >90%
PFM/DCM Enables Enhanced Light-Load Efficiency
2.8μA Shutdown Current
Operates Reliably in Adverse Industrial Environments
Peak Current-Limit Protection
Built-In Output Voltage Monitoring with Active-Low RESET
Programmable Threshold
Monotonic Startup into Prebiased Load
Overtemperature Protection
High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
Applications
Base Station Power Supply
Distributed Supply Regulation
General-Purpose Point-of-Load
High-Voltage Single-Board Systems
Industrial Power Supplies