MAX15118 PDF Datasheet


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Description

This is Current-Mode Synchronous Step-Down Regulator. 19-5967; Rev 0; 6, 11 EVALUATION KIT AVAILABLE MAX15118 High-Efficiency, 18A, Current-Mode Synchronous Step-Down Regulator with Integrated Switches General Description The MAX15118 high-efficiency, current-mode step-down regulator with integrated power switches operates from 2.7V to 5.5V and delivers up to 18A of output current in a small 2mm x 3.5mm package. The MAX15118 offers excellent efficiency with skip mode capability at lightload conditions, yet provides unmatched efficiency under heavy load conditions. The combination of small size and high efficiency makes this device suitable for both portable and nonportable applications. The MAX15118 utilizes a current-mode control archi­ tecture with a high-gain transconductance error ampli­ fier, which allows a simple compensation scheme and enables a cycle-by-cycle current limit with fast response to line and load transients. A factory-trimmed switching frequency of 1MH- (PWM operation) allows for a compact, all-ceramic capacitor desig.