LM2596 – DC-DC 3.2-40V, 3A – Adjustable Step-down – Power Supply Module

Overview:

LM2596 DC to DC step down regulator, adjustable +3.2 to 40vdc output, 3A.  Ideal for battery operated projects requiring a regulated powersupply.

Technical Specifications:

• Regulator Type: Step Down ( Non Isolated input to Output )
• Input Voltage: +4 to 40vdc
• Output Voltage: +3.2 to 40vdc
• Output Current: 2A rated, ( 3A maximum with heatsink )
• Efficiency: Up to 92% ( when output voltage is set high )
• Switching Frequency: 150kHz
• Dropout Voltage: 2vdc minimum
• Protection: Short circuit current limiting
• Load Regulation: +/- 0.5%
• Voltage Regulation: +/- 2.5%
• Temperature: -40 to +85 deg C ( output power less than 10Watts )
• Board Size: 43.6mm L x 21mm W x 14mm H

Features:

• With voltage meter display;voltage meter error of ±0.1V;the range among 0~40V. (note: to ensure the voltage meter accuracy, please make sure that the input voltage is 4.2V or more).
• Maximum output current can be as high as 3A,but normal and stable working current is2A.
• Use 150KHZ internal oscillation frequency,which is belong to the second generation of switch voltage regulator with low consumption and high efficiency.

Applications:

• Experiment teaching
• Temporarily set up power supply in the outdoor
• Car (audio, electric fan) power supply