Linear Regulators (LDO) | NCP631

3 A LDO with Soft Start

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Overview

The NCP631 is a low dropout positive voltage regulator that is capable of providing a guaranteed output current of 3.0 A with a maximum dropout voltage of 1.25 V at 3.0 A over temperature. The NCP631 is currently offered as a fixed voltage version at 3.47 V. On chip trimming adjusts the reference/output voltage to within +/- 1.5% accuracy. The soft start function allows control of start up times. This prevents current spikes at start up due to output capacitor in-rush current. Internal protection features consist of output foldback current limiting, and thermal shutdown. The NCP631 is available in D2PAK package.

  • Microprocessor Power Supplies
  • Battery Chargers
  • DSP Power Supplies

  • Output Current of 3.0 A
  • 1.25 V Maximum Dropout Voltage at 3.0 A Over Temperature
  • Voltage on Shutdown Pin is TTL compatible
  • Reference/Output Voltage Trimmed to ± 1.5 %
  • Current Limit Protection
  • Thermal Shutdown Protection
  • 00C to 1250C Junction Temperature Range
  • Pb-Free Packages are Available

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