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CS51411EVB

Evaluation Board, 5.0V-16V-3.3V/1.0A Buck Regulator, Shutdown Mode Disables Operation

CS51411EVB - Evaluation Board, 5.0V-16V-3.3V/1.0A Buck Regulator, Shutdown Mode Disables Operation

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Manufacturer Part No:
CS51411EVB
Newark Part No.:
73R4583
Technical Datasheet:
CS51411EVB   Datasheet
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Product Overview

The CS51411EVB is an evaluation board for CS51411 low voltage buck regulator operating at 260KHz. The switching frequency can be synchronized to a higher frequency through feeding clock signals to the SYNC input. Driving SHDNB input low shuts down the converter output and minimizes the power consumption. The regulator has superior line and load regulation due to the use of V2E control. This control method also enhances the load transient response. The on chip NPN transistor is capable of providing a minimum of 1.5A of output current, and is biased by an external "boost" capacitor to ensure saturation, thus minimising on chip power dissipation. Protection circuitry includes thermal shutdown, cycle by cycle current limiting and frequency foldback. The CS51411 evaluation board is a 1.0A/3.3V buck regulator running at 260KHz.
  • V2 control for superior line and load regulation
  • Small board space requiring only 1.0 x 0.7in²
  • Total of 11 components including IC
  • Shutdown mode disables the output and reduces the operating current
  • Frequency synchronization to higher frequency
  • 1.5A peak current protection which folds back 30% during overload conditions
  • Built in soft start to eliminate any in rush current
  • High energy transfer efficiency of 83% at 1.0A load
  • Line regulation better than 0.1%
  • Load regulation better than 0.4%

Applications

Power Management

Product Information

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On Semiconductor

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CS51411

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Power Management - Voltage Regulator

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Buck Regulator

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Evaluation Board CS51411

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Technical Docs (2)

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