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LM2796 Folha de dados(PDF) 2 Page - Texas Instruments |
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LM2796 Folha de dados(HTML) 2 Page - Texas Instruments |
2 / 16 page Top View A B C D E 1 2 3 4 5 6 7 Bottom View E D C B A 1 2 3 4 5 6 7 LM2796 SNVS273A – MAY 2004 – REVISED MAY 2013 www.ti.com Connection Diagram Figure 1. 18-Bump Thin DSBGA Package, Large Bump Package Number YZR0018 PIN DESCRIPTION Pin #s Pin Names Pin Descriptions C1 VIN Input voltage. Input range: 2.7V to 5.5V. D2 GND Ground A3 POUT Charge pump output. Approximately 1.5×VIN 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 ISET Placing a resistor (RSET) between this pin and GND sets the LED current for all LEDs. LED Current = 100 × (1.25V ÷ RSET). These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 2 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LM2796 |
Nº de peça semelhante - LM2796_16 |
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Descrição semelhante - LM2796_16 |
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