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LM3500,pdf datasheet (Synchron
消耗积分:3 |
格式:rar |
大小:551 |
2009-09-30
吴湛
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The LM3500 is a fixed-frequency step-up DC/DC converter
that is ideal for driving white LEDs for display backlighting and
other lighting functions. With fully intergrated synchronous
switching (no external schottky diode required) and a low
feedback voltage (500mV), power efficiency of the LM3500
circuit has been optimized for lighting applications in wireless
phones and other portable products (single cell Li-Ion or 3-
cell NiMH battery supplies). The LM3500 operates with a fixed
1MHz switching frequency. When used with ceramic input
and output capacitors, the LM3500 provides a small, lownoise,
low-cost solution.
that is ideal for driving white LEDs for display backlighting and
other lighting functions. With fully intergrated synchronous
switching (no external schottky diode required) and a low
feedback voltage (500mV), power efficiency of the LM3500
circuit has been optimized for lighting applications in wireless
phones and other portable products (single cell Li-Ion or 3-
cell NiMH battery supplies). The LM3500 operates with a fixed
1MHz switching frequency. When used with ceramic input
and output capacitors, the LM3500 provides a small, lownoise,
low-cost solution.
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