Datasheet Linear Technology LT3475IFE-1#PBF — 数据表

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LT3475 LT3475

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  High Voltage Buck Converters Drive High Power LEDs &mdash DN392
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  High Voltage Buck Converters Drive High Power LEDs
  Design Note 392
  Keith Szolusha
  Introduction
  High power LEDs continue to replace traditional bulbs
  in new automotive, industrial, backlight display and
  architectural detail lighting systems. LEDs excel in a wide
  range of performance and cost parameters, including
  excellent spectral performance, long life, robustness,
  falling manufacturing cost and relatively safe materials.
  Linear Technology offers a large and growing family of
  high voltage DC/DC converters tailored specifically to
  drive high-powered LEDs.
  The LTВ® 3474 and LT3475, for example, are high voltage,
  high current, single-and dual-channel buck LED converters with wide PWM dimming ratios that can drive one
  or more LEDs up to 1A and 1.5A for 80 lumens to 120
  lumens per LED (or more as higher output LEDs become
  available). These dedicated LED drivers have onboard
  high voltage NPN power switches and internal sense
  resistors to minimize board space, reduce component
  count and simplify design.
  With their high side sense resistors, the LT3474 and
  LT3475 can drive LEDs tied to ground, an important …

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制造商分类

• Power Management > LED Driver ICs > Step-Down (Buck) LED Drivers

其他名称:

LT3475IFE-1PBF, LT3475IFE-1 PBF, LT3475IFE1#PBF, LT3475IFE 1#PBF