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STCS1PHR Datasheet(PDF) 4 Page - STMicroelectronics |
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STCS1PHR Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 17 page Pin configuration STCS1 4/17 2 Pin configuration Figure 2. Pin connections (top view) DFN8 PowerSO-8 Table 2. Pin description Pin n° Symbol Note 1VCC 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 |
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