Pin configuration

STCS1

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2

Pin configuration

Figure 2.

Pin connections (top view)

DFN8

PowerSO-8

Table 2.

Pin description

Pin n°

Symbol

Note

Supply voltage

2

PWM

PWM dimming input

3

EN

Shutdown pin

4

DRAIN

Internal N-MOSFET drain

5FB

Feedback input. The control loop regulates the current in such a way that the average

voltage at the FB input is 100 mV (nominal). The cathode of the LED and a resistor to

ground to set the LED current should be connected at this point

6

GND

Ground

7

N.C.

In order to guarantee the device works properly it is mandatory to leave this pin floating

8

DISC

Load disconnection flag (open drain)

Exp-pad

Internally connected to ground