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PD16647 Folha de dados(PDF) 11 Page - Renesas Technology Corp |
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PD16647 Folha de dados(HTML) 11 Page - Renesas Technology Corp |
11 / 18 page Data Sheet S13607EJ3V0DS 9 µµµµPD16647 7. CURRENT CONSUMPTION REDUCTION FUNCTION It is possible to fine-control the bias current of the output amplifier (Static current consumption) by using the bias current control function (Bcont pin). When using this function, connect this pin to the stabilized VDD2 potential using an external resistor (REXT). When not using this function, however, short-circuit this pin to VDD2. Figure 7-1. Bias Current Control Function/Bcont PD16647 Bcont REXT VDD2 µ Refer to the table below for the percentage of current regulation compare to normal mode, when using the bias current control function. Table 7-1. Current Consumption Regulation Percentage Compared to Normal Mode (VDD1 = 3.3 V, VDD2 = 5 V) REXT (k Ω) Current Consumption Regulation Percentage (%) Short-circuit 100 10 95 20 91 40 85 80 79 Remark Be aware that the above current consumption regulation percentages are not product- characteristic guaranteed as they are based on the results of simulation. Caution Because the bias-current control functions control the bias current in the output amplifier and regulate the over-all current consumption of the driver IC, when this occurs, the characteristics of the output amplifier will simultaneously change. Therefore, when using these functions, be sure to sufficiently evaluate the picture quality. 5 |
Nº de peça semelhante - PD16647_15 |
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Descrição semelhante - PD16647_15 |
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