The LTC3868EGN-1#PBF is a monolithic synchronous buck switching regulator controller manufactured by Analog Devices Inc. It is designed to provide an efficient, small size and low noise power supply solution. The device includes dual current mode controllers, an internal high frequency (5MHz) oscillator, an error amplifier, and a wide range of protection features. It offers 1500V RMS reinforced isolation voltage, high efficiency up to 95%, low ripple and noise, fast loop transient response, and programmable soft start. It is available in a 10-lead MSOP package.