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ISL97636/ISL97636A pdf datashe
消耗积分:3 |
格式:rar |
大小:333 |
2009-02-07
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The ISL97636A is an integrated power LED driver that
controls 6 channels of LED current for LCD backlight
applications. The ISL97636A is capable of driving typically
54 (6x9) pieces of 3.5V/30mA or 60 (6x10) pieces of
3.2V/20mA LEDs. The ISL97636A’s contains 6 channels of
voltage controlled current sources with typical currents
matching of ±1%, which compensate for the non-uniformity
effect of forward voltages variance in the LED stacks. To
minimize the voltage headroom and power loss in the typical
multi-strings operation, the ISL97636A features a dynamic
headroom control that monitors the highest LED forward
voltage string and uses its feedback signal for output regulation.
controls 6 channels of LED current for LCD backlight
applications. The ISL97636A is capable of driving typically
54 (6x9) pieces of 3.5V/30mA or 60 (6x10) pieces of
3.2V/20mA LEDs. The ISL97636A’s contains 6 channels of
voltage controlled current sources with typical currents
matching of ±1%, which compensate for the non-uniformity
effect of forward voltages variance in the LED stacks. To
minimize the voltage headroom and power loss in the typical
multi-strings operation, the ISL97636A features a dynamic
headroom control that monitors the highest LED forward
voltage string and uses its feedback signal for output regulation.
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