Inductorless (Charge Pump) DC/DC Converters
Analog Devices’ family of charge pumps offers the widest selection of simple and compact inductorless dc-to-dc converter designs. These converters can be used to step-up, step-down, or invert an input voltage. By eliminating the inductor, these switched capacitor converters provide a small solution footprint and a simpler design. Furthermore, by incorporating spread spectrum technology on-chip, both input and output noise are significantly reduced.
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Latest Resources
Application Note
- AN29 - Some Thoughts on DC-DC Converters PDF
- AN88 - Ceramic Input Capacitors Can Cause Overvoltage Transients PDF
- AN43 - Bridge Circuits PDF
- AN42 - Voltage Reference Circuit Collection PDF
- AN23 - Micropower Circuits for Signal Conditioning PDF
Design Note
- Buck/Boost Charge-Pump Regulator Powers White LEDs from a Wide 1.6V to 5.5V Input
- High-V DC-DC Converter Is Ideal for MEMS (Warning: High-Voltage Circuit)
- Extend Current-Sense Amplifier's Input Range Down to 0V
- Circuit Board Layout Guidelines for White LED Charge Pumps
- Negative Step-Down Converter Requires No Inductor
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Technical Article
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IBIS Modeling—Part 3: How to Achieve a Quality Level 3 IBIS Model Through Bench Measurement
Analog Dialogue
- Switched-Capacitor Converter Simplifies Migration from 1S to 2S Battery Architectures
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The Interleaved Inverting Charge Pump—Part 1: A New Topology for Low Noise Negative Voltage Supplies
Analog Dialogue
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- Low Noise Power Supplies Come in Many Flavors: Part 2 - Charge Pump Solutions