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LM2796TL Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM2796TL Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 page Connection Diagram 18-Bump Thin Micro SMD Package, Large Bump NS Package Number TLA18 20093802 Pin Description Pin #s Pin Names Pin Descriptions C1 V IN Input voltage. Input range: 2.7V to 5.5V. D2 GND Ground A3 P OUT Charge pump output. Approximately 1.5xV IN A1, B2, A5, E1 C1+, C1-, C2+, C2- Flying capacitor connections. A7 EN Enable pin. Logic input. High = normal operation, Low = shutdown (charge pump and all current sources OFF). D6, E5, D4, E3 D1A, D2A, D3A, D4A LED Outputs - Group A C5, B4, C3 D1B, D2B, D3B LED Outputs - Group B B6 EN-A Enable for Group-A LEDs (current outputs). Logic input. High = Group-A LEDs ON. Low = Group A LEDs OFF. Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs. E7 EN-B Enable for Group-B LEDs (current outputs). Logic input. High = Group-B LEDs ON. Low = Group B LEDs OFF. Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs. C7 I SET Placing a resistor (R SET) between this pin and GND sets the LED current for all LEDs. LED Current = 100 x (1.25V ÷ R SET). Ordering Information Order Information Package Supplied As LM2796TL TLA18 Micro SMD 250 Units, Tape & Reel LM2796TLX 3000 Units, Tape & Reel www.national.com 2 |
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