Capacitive charge-pump circuits are used in many applications. And though these circuits appear deceptively simple, engineers working on them need a thorough understanding of how they function. By ...
What is a charge pump? A charge pump provides dc-dc voltage conversion using a switch network to charge and discharge two or more capacitors. The basic charge pump switch network toggles between ...
Designed to deliver uniform flicker-free backlighting for LCD displays and keypads, the CAT3604 regulated charge pump achieves efficiencies of up to 93%. Each output channel is current regulated to ...
Regulated charge pump drives up to six parallel LEDs at 30-mA per channel; automatically switches from 1 x LDO mode to 1.5X boost mode; consumes 1 µA in shutdown; offers 1-MHz fixed frequency and up ...
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