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Solutions Search - Inductorless (Charge Pump) LED Drivers

LTC3200 Regulated 5V Output from a 2.7V to 4.5V Input

Sep 12th 2016
A new charge-pump architecture maintains constant switching frequency to zero load and reduces bith output and input ripple. The LTC3200/LTC3200-5 have thermal shutdown capability and can survive a continuous short-circuit from VOUT to GND. Built-in soft-start circuitry prevents excessive inrush curreent during start-up. ...

Circuit 

 

LTC3200 Lithium-Ion Battery to 5V White or Blue LED Driver

Sep 12th 2016
A new charge-pump architecture maintains constant switching frequency to zero load and reduces bith output and input ripple. The LTC3200/LTC3200-5 have thermal shutdown capability and can survive a continuous short-circuit from VOUT to GND. Built-in soft-start circuitry prevents excessive inrush curreent during start-up. ...

Circuit