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Description
The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation.
Features
Adjustable Version Output Voltage Range: 1.2-V to 37-V ± 4% Maximum Over Line and Load Conditions
Available in TO-220 and TO-263 Packages
3-A Output Load Current
Input Voltage Range Up to 40 V
Requires Only 4 External Components
Excellent Line and Load Regulation Specifications
150-kHz Fixed-Frequency Internal Oscillator
TTL Shutdown Capability
Low Power Standby Mode, IQ, Typically 80 μA
High Efficiency
Uses Readily Available Standard Inductors
Thermal Shutdown and Current-Limit Protection
Application
Simple High-Efficiency Step-Down (Buck) Regulator
On-Card Switching Regulators
Positive to Negative Converter
Input Voltage : DC 4V to 35V (input voltage must be 1.5V higher than the output voltage, no boost).
Output Voltage : DC 1.25V to 30V voltage is continuously adjustable, maximum output current is 3A. Working Temperature: -45 ~ +85 deg C.This board comes with inbuilt current limit funciton and output short circuit protection.
Easy to DIY: Connect to power source, using a mini screwdriver to increase or decrease output voltage by adjusting the screw on the blue potentiometer and monitor voltage with multimeter to get the needed voltage, clockwise to step up voltage and counterclockwise to step down voltage. (Factory default stays a high voltage, you need to “rotate about 7-15 circles” before the voltage starts ramping down, 1 circle means +/- 1V)
Applications: Widely used for DIY Mobile power, Contstant power supply, Power buggies, Communications equipment power supply, Motor controllers, Drills, Led ,Robotics projects, Transformers, etc.
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