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LT8614

Information on: LT8614

• Hybrid Switching/Linear Method Yields LED-Current Controller with Wide Dimming Ratio
  By using two basic power-supply topologies in conjunction, this circuit provides an easily controlled current source that is well-suited for dimming LEDs Many applications for LED illumination require wide dimming ratios, which can be easily done using an adjustable current source (Fig. 1). Figure 1. LEDs are current-driven, rather than voltage-driven, devices, and their output intensity is related to the current level but not linearly. The current source can be adjusted over a large LED ...
• Reduce EMI and Improve Efficiency with Silent Switcher Designs
  Application Note AN142 November 2013 Christian Kueck Switching regulators replace linear regulators in areas where low heat dissipation and efficiency are valued. The switching regulator is typically the first active component on the input power bus line, and therefore has a significant impact on the EMI performance of the complete converter circuit. Modern input filter components in surface mount technology have better performance than through-hole parts. However, this improvement is outpaced ...
• Datasheet Linear Technology LT8614
  42V, 4A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current