com LT3593 1MHz White LED Driver with Output Disconnect and One Pin Current Programming DESCRIPTION The LT®3593 is a step-up DC/DC converter designed to drive up to ten white LEDs in series from a Li-Ion cell.
Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors.
The device features a unique high side LED current sense that enables the part to function as a “one wire current source” where the low side of the LED string can be returned to ground anywhere.
Additional features include output disconnect in shutdown, open LED protection and 1-pin shutdown/LED current control.
The CTRL pin is toggled to adjust the LED current ...

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