The LM3151/2/3 SIMPLE SWITCHER® Controller is an easyto use and simplified step down power controller capable ofproviding up to 12A of output current in a typical application.Operating with an input voltage range from 6V-42V, theLM3151/2/3 features a fixed output voltage of 3.3V, and featuresswitching frequencies of 250 kHz, 500 kHz, and 750kHz. The synchronous architecture provides for highly efficientdesigns. The LM3151/2/3 controller employs a ConstantOn-Time (COT) architecture with a proprietary Emulated RippleMode (ERM) control that allows for the use of low ESRoutput capacitors, which reduces overall solution size andoutput voltage ripple. The Constant On-Time (COT) regulationarchitecture allows for fast transient response and requiresno loop compensation, which reduces external componentcount and reduces design complexity.
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