Pin Assignments

Pin Description

Pin Number

Pin Name Description

1

LX

Switch pin. Connect this pin to inductor/diode here.

2

GND

Ground

3

FB

Feedback Pin. Connect this pin to cathode of the lowest LED and current-sense resistor

4

EN

Enable Control Input. Forcing this pin above 1.0V enables the device, or forcing this pin

below 0.4V to shut it down. In shutdown, all func�ons are disabled to decrease the

supply current below 1uA.

Do not leave this pin floa�ng.

5

OVP

Converter Output and Over-Voltage Protec�on Input Pin.

6

IN

Main Supply Pin. Must be closely decoupled to GND with a 4.7uF or greater ceramic

capacitor.

White LED Step-up Converter

FTD8203

SOT-23-6

2019. 02. 08

2/13

Revision No : 0

FTD8203