The best way to encode pulsating signals is by using the NCV3011DTBR2G voltage mode PWM controller from ON Semiconductor. With an output that has a voltage of 0.8(Min) V, this is power management at its best. It has single PWM output. It has a switching frequency of 400 kHz. This product will be shipped in tape and reel packaging for quick mounting and safe delivery. This device has a minimum operating supply voltage of 4.5 V and a maximum of 28 V.