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[讨论] LCM驱动芯片

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发表于 2011-10-20 21:21:13 | 显示全部楼层 |阅读模式
The RT9285  is  a  high  frequency  asynchronous  boost
converter with internal diode, which can support 2 to 5
White LEDs  for backlighting and OLED power supply. The
Internal soft start function can reduce the inrush current.
The device operates with 1MHz  fixed switching frequency
to allow small external components and  to simplify possible
EMI problems. The device comes with 20V over voltage
protection  to allow  inexpensive and small-output capacitors
with lower voltage rating. The LED current is initially set
with the external sense resistor RSET, and the feedback
voltage  is 250mV. Tiny  package  type TSOT-23-6  and
WDFN-8L 2x2 packages provide  the best solution  for PC
【文件名】:111020@52RD_RT9285A.pdf
【格 式】:pdf
【大 小】:181K
【简 介】:
【目 录】:


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