Power Suply DC 1.5-3.5 Volt Scheme

Posted by Erick Widyanto

The wonderful evening I will give tutorials schematics of power supply current 1.5 -35 volt DC voltage for you. May be useful to all of you who are want to learn to make this series.
 1A 1.5 volt to 35 volt dc Regulated Power Supply Circuit Schematic 1A 1.5 volt to 35 volt dc Regulated Power Supply Circuit Diagram
Parts:

IC = LM317
P1 = 4.7K
R1 = 120R
C1 = 100nF - 63V
C2 = 1uF - 35V
C3 = 10uF - 35V
C4 = 2200uF - 35V
D1-D4 = 1N4007


Features:
  • Just add a suitable transformer (see table)
  • Great to power your projects and save money on batteries
  • Suitable as an adjustable power supply for experiments
  • Control DC motors, low voltage light bulbs, …



Specifications :
  • Preset any voltage between 1.5 and 35V
  • Very low ripple (80dB rejection)
  • Short-circuit, thermal and overload protection
  • Max input voltage : 28VAC or 40VDC
  • Max dissipation : 15W (with heatsink)
  • Dimensions : 52x52mm (2.1” x 2.1”)



Technical Specifications
  • Input Voltage = 40Vdc max Transformer
  • Output Voltage = 1.5V to 35Vdc
  • Output Current = 1.5 Amps max.
  • Power Dissipation = 15W max (cooled)