AZ-Delivery LM2596S Quick Start Manual

Dc to dc step-down converter
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Welcome!
Thank you for purchasing our AZ-Delivery LM2596S DC to DC Step-Down
converter. On the following pages, you will be introduced to how to use and
set-up this handy device.
Have fun!

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Summary of Contents for AZ-Delivery LM2596S

  • Page 1 Welcome! Thank you for purchasing our AZ-Delivery LM2596S DC to DC Step-Down converter. On the following pages, you will be introduced to how to use and set-up this handy device. Have fun!
  • Page 2 Areas of application The power supply is intended for use in electronic circuits, laboratories, educational institutions and development environ- ments. It is used to safely provide direct current for a variety of low-voltage applications. Required knowledge and skills Using the power supply requires basic knowledge of electrical engineering. Users should be able to safely assemble and ope- rate electrical circuits and take the necessary safety precautions.
  • Page 3 Make sure the power supply is adequately ventilated during operation and monitor the temperature regularly. Caution: High temperatures can significantly shorten the lifespan of the power supply and connected devices. Note: Only operate the power supply within the recommended ambient temperatures (0°C to 40°C). Caution: Overheated components can cause fires. Note: Avoid use in direct sunlight or near heat sources.
  • Page 4: Table Of Contents

    Table of Contents Introduction....................3 Specifications....................4 The pinout.....................5 The schematic....................6 Connection example..................7...
  • Page 5: Introduction

    Introduction The LM2596S DC to DC Step-Down converter is a device that converts DC voltages from higher to lower voltages. It is ideal for reducing voltages to the required level. It is built around LM2596S chip which is a switch−mode power supply regulator, its efficiency is significantly higher in comparison to other popular linear regulators, especially with higher input voltages.
  • Page 6: Specifications

    Specifications Operating input voltage 4.5V to 40VDC Operating output voltage 1.2V to 35V (adjustable) Output current 2A (constant load) Switching frequency 150kHz Low power standby mode 80µ Load regulation 0.5% Voltage regulation 2.5% Storage temperature range −65 to +150℃ Dimensions 45x20x15mm [1.8x0.8x0.6in] The LM2576 device has current limiting to prevent the switch current from exceeding safe values during an accidental overload on the output.
  • Page 7: The Pinout

    The pinout The module has four pins. The pinout is shown on the following image:...
  • Page 8: The Schematic

    The schematic The LM2576 regulator is designed to minimize the number of external components. The module is built from a LM2576 voltage regulator, and a few passive parts. It contains two electrolytic capacitors, two tantalum capacitors, one resistor, inductor coil, high-speed switching (Schottky) diode and a precision potentiometer for adjusting the output voltage.
  • Page 9: Connection Example

    Connection example The following image is an example of how to connect the module with other devices:...
  • Page 10 Internet. If you are looking for high quality microelectronics and accessories, AZ-Delivery Vertriebs GmbH is the right company to get them from. You will be provided with numerous application examples, full installation guides, eBooks, libraries and assistance from our technical experts.

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