architecture (see §4.6.3B); examples are the drop); examples are the LTC1550 and 1682 series, with OPA369, LTC1152, and MAX1462-4. less than 1mV peak-to-peak output ripple. Note that most (c) Charge pumps are used in many MOSFET “high-side of the “regulated” types let you use them as unregulated drivers