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This is a breakout board for the TI LM2596 SIMPLE SWITCHER Power Converter.

Here are the components required for building this circuit:

  • R1: 5Ohm 0603
  • LED1: Green 0603 LED. 3.2v forward voltage drop, 20mA
  • D1: Vishay, KBL10-E4/51, Bridge Rectifier, Single Phase, 4A 1000V, 4-Pin KBL
  • D2: 30v 2amp Schottky diode (DO-214AA Package) MBRS130LFSCT-ND
  • L1: 330uH 331 3A Power Inductor 12mm X 12mm
  • C1: 220uF 50V SMD Aluminum Electrolytic Capacitor 10mm x 10mm
  • C2: 220uF 25V SMD Aluminum Electrolytic Capacitor 8mm x 10mm
  • P1: 2.54mm header
  • U1: LM2596S-3.3 (3.3v switching regulator)
  • J1: 3.51mm screw terminal
  • J2: 3.51mm screw terminal