Regulated Inverting Charge Pumps
Analog Devices’ family of regulated inverting charge pumps are used to invert an input voltage to a regulated output voltage. These are useful for systems with split-rail positive and negative input supplies. By eliminating the inductor, these switched capacitor converters offer alternatives to switching regulator topologies, providing a small solution footprint and a simple design. Key features include low quiescent current, multimode operation with automatic mode switching to maintain regulation, Iout up to 500mA, low noise constant frequency operation, Burst Mode® operation, overtemperature, fault and short-circuit protection.
The Interleaved Inverting Charge Pump—Part 1: A New Topology for Low Noise Negative Voltage Supplies
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