Lm2596-ADJ Buck Regulator output adjustable 1.2v to 35v load up to 3amps

High efficient and compact project is capable of driving a 3Amp load with excellent line and load regulation with output adjustable 1.2V to 35V DC.  The project built around LM2596ADJ regulator which is ideally suited for easy and convenient design of step-down switching regulator using buck converter topology. Adjustable output version of LM2596 is internally compensated to minimize the number of external components to simplify the power supply design. PCB dimensions 39.65 X 33.20MM

Features

  •     Adjustable Output Voltage Range 1.23 V 35 V
  •     Guaranteed 3.0 A Output Load Current
  •     Wide Input Voltage Range up to 40 V
  •     150 kHz Fixed Frequency Internal Oscillator
  •     Thermal Shutdown and Current Limit Protection
  •     Internal Loop Compensation
  •     Moisture Sensitivity Level (MSL) Equals 1

Applications

  •     Simple HighEfficiency StepDown (Buck) Regulator
  •     Efficient regulator for Linear Regulators
  •     OnCard Switching Regulators
  •     Positive to Negative Converter (buck-boost)
  •     Negative StepUp Converters
  •     Power Supply for Battery Chargers


Bill Of Material
R1 4K7 SMD 0805
R2 1.21K 1% SMD 0804
PR1 TRIMMER POTENTIOMETER
L1 33uH/5A SMD 12MM INDUCTOR
C2,C3 220uF/50V SMD ELECTROLYTIC
C1 100uF/50V SMD ELECTROLYTIC
LM2596-ADJ TO263 SMD ONSEMI/TEXAS INSTRUMENTS
D1 MBRS340T3 SMD ON SEMI
D2 RED LED SMD 0805
CN1, CN2 2 PIN SCREW TERMINALS


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