SC618

7

Pin Descriptions

Pin#

Pin Name

Pin Function

1

VIN

Input voltage

2

C2-

Negative terminal of bucket capacitor 2

3

GND

Ground— connect to ground plane using multiple vias

4

C1-

Negative terminal of bucket capacitor 1

5

FLASH

Flash mode enable pin— puts the device in active flash mode when high and also overrides CTRL.

6

ISET

Current-setting reference pin — connect to the LED cathode and the current setting resistor.

7

CTRL

Control input bit — used to enable and set the output current in spotlight mode when high.

8

C1+

Positive terminal of bucket capacitor 1

9

VOUT

Output pin — connect to the LED anode

10

C2+

Positive terminal of bucket capacitor 2

T

Thermal Pad

Pad for heat sinking purposes — not connected internally. Connect to ground plane using multiple vias.