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Evaluation Board, Current Mode Switching Regulator, Step Down, SC4517A


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Manufacturer Part No:
Newark Part No.:
Technical Datasheet:
SC4517EVB-2   Datasheet
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Product Overview

The SC4517EVB-2 is an evaluation board for the evaluation of SC4517A step down switching regulator. The SC4517A is a current mode switching regulator with an integrated switch, operating at 1.25MHz with separate sync and enable functions. The integrated switch allows for cost effective low power solutions. The sync function allows customers to synchronize to a faster clock in order to avoid frequency beating in noise sensitive applications. High frequency of operation allows for very small passive components. Current mode operation allows for fast dynamic response and instantaneous duty cycle adjustment as the input varies. The SC4517A has an internal clock with fixed frequency and it uses two feedback loops (voltage loop and current loop) that control the duty cycle of the internal power switch.
  • Integrated 1.5A switch
  • Current mode controller
  • Synchronizable to higher frequency up to 2MHz
  • 6μA low shutdown current


Communications & Networking, Portable Devices, Power Management

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SC4517A Switching Regulator


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Technical Docs (3)

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