The L296 is a high current switching regulator produced by Linear Technology, which can output 4A of current, with an output voltage range from 5.1V to 40V, supporting 0 to 100% duty cycle, precision of ±2%, switching frequency up to 200KHz, efficiency up to 90%, very few external components, soft start, reset output, external programmable limiting current (L296P), control circuit for Crowbar SCR, input for remote inhibit and synchronous PWM, and thermal shutdown.