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LM3520 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM3520
功能描述  Integrated White LED Driver with Organic LED Display Power Supply
PDF  14 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM3520 数据表(HTML) 4 Page - National Semiconductor (TI)

  LM3520 Datasheet HTML 1Page - National Semiconductor (TI) LM3520 Datasheet HTML 2Page - National Semiconductor (TI) LM3520 Datasheet HTML 3Page - National Semiconductor (TI) LM3520 Datasheet HTML 4Page - National Semiconductor (TI) LM3520 Datasheet HTML 5Page - National Semiconductor (TI) LM3520 Datasheet HTML 6Page - National Semiconductor (TI) LM3520 Datasheet HTML 7Page - National Semiconductor (TI) LM3520 Datasheet HTML 8Page - National Semiconductor (TI) LM3520 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Operation Modes
LM3520 has two operating modes; Figure 2 shows main
display in PWM current mode operation, the appropriate
selection of R
FB resistor in series with four white LEDs set
the output current driving the main display. Figure 3 shows
Sub display in PFM mode, the appropriate selection of
R
SUB1 and RSUB2 resistors set the output voltage driving the
OLED subdisplay.
20128806
20128807
* Note: The current IFB1 is very small and is negligible.
20128804
FIGURE 2. Main Display
20128805
FIGURE 3. Sub Display
www.national.com
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