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FAN5345S20X Folha de dados(PDF) 3 Page - Fairchild Semiconductor |
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FAN5345S20X Folha de dados(HTML) 3 Page - Fairchild Semiconductor |
3 / 14 page © 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5345 • Rev. 1.0.0 3 Pin Configuration 1 2 3 6 5 4 SW VOUT EN VIN GND FB Figure 3. Pin Assignments Top View Pin Definitions Pin # Name Description 5 VOUT Boost Output Voltage . Output of the boost regulator. Connect the LEDs to this pin. Connect COUT (output capacitor) to GND. 1 VIN Input Voltage . Connect to power source and decouple with CIN to GND. 4 EN Enable Brightness Control . Program dimming levels by driving pin with digital pulses. 3 FB Voltage Feedback . The boost regulator regulates this pin to 0.250V to control the LED string current. Tie this pin to a current setting resistor (RSET) between GND and the cathode of the LED string. 6 SW Switching Node . Tie inductor L1 from VIN to SW pin. 2 GND Ground . Tie directly to a GND plane. |
Nº de peça semelhante - FAN5345S20X |
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Descrição semelhante - FAN5345S20X |
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