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    78Lxx & Adj Voltage Regulator IC Pak 5 to 40V 20 Pcs 10 Types

    SKU: EP28

    Technical Specification:

    • Type: Through Hole
    • Model: Fixed & Adjustable Voltage Regulators
    • Package Type: TO-220
    • Input Voltage Range: -7 V – 40 V
    • Output Voltage:
    • Fixed Regulators: 5 V, 9 V, 12 V, 15 V (Positive & Negative)
    • Adjustable Regulators: 1.25 V – 37 V (LM317, LM2596-ADJ, XL6009)
    • Max. Current: 1 A – 4 A
    • Pak Weight: 80 gm
    • Pak Dimensions: 127 x 80 x 24 mm

    ₹590.00

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    Description

    A Voltage Regulator IC is an essential electronic component designed to maintain a stable output voltage regardless of variations in input voltage, load conditions, or temperature changes. These ICs ensure reliable power delivery to electronic circuits by preventing fluctuations that could damage sensitive components.

    This 20-piece Positive Voltage Regulator Assortment includes a mix of linear and switching regulators designed for a variety of DC power regulation needs. The set consists of fixed-voltage regulators (LM78XX and LM79XX series), an adjustable linear regulator (LM317), and switching regulators (LM2596-ADJ and XL6009).

    IC Pin Configuration:

     

    For these regulators, the pinout is generally the same across the LM78xx series, with 3 pins:

    • Pin 1: Input (IN)
      This pin is for the input voltage. The voltage applied here should be higher than the output voltage (by at least 2V), usually a DC voltage.
    • Pin 2: Ground (GND)
      This is the common ground for both input and output. Connect the negative terminal of your power supply to this pin.
    • Pin 3: Output (OUT)
      This pin provides the regulated output voltage. For LM7805, this will be 5V; for LM7812, it will be 12V, etc.

     

     

    The LM79xx series has a similar pinout to the LM78xx, but for negative output voltages.

    • Pin 1: Input (IN)
      This pin is for the negative input voltage. It should be lower than the output voltage, typically -V DC.
    • Pin 2: Ground (GND)
      This is the ground pin, also referred to as the common reference point.
    • Pin 3: Output (OUT)

    This pin provides the regulated negative output voltage. For LM7905, it will be -5V; for LM7912, it will be -12V, etc.

     

     

    The LM317 has 3 pins and is adjustable:

    • Pin 1: Adjust (ADJ)
      This is the adjustment pin. You set the output voltage by using a resistor divider (typically a potentiometer and a fixed resistor) between the output and this pin.
    • Pin 2: Output (OUT)
      This pin provides the regulated output voltage. The output voltage is determined by the resistor values connected between the adjust pin and ground.
    • Pin 3: Input (IN)
      This is the input voltage pin, where you connect a voltage source higher than the desired output voltage.

     

     

    The LM2596-ADJ is a switching regulator, and it has 5 pins:

    • Pin 1: Input (IN)
      This pin is for the input voltage (higher than the output voltage). The voltage should typically be between 4V to 40V DC.
    • Pin 2: Ground (GND)
      This is the common ground pin for the entire circuit.
    • Pin 3: Output (OUT)
      This is where the regulated, step-down output voltage is available. You set the output voltage using the adjustment pin (Pin 4).
    • Pin 4: Feedback (FB)
      This is the feedback pin. It is used to adjust the output voltage. You connect a resistor divider from the output to this pin to set the desired output voltage.
    • Pin 5: On/Off (EN)
      This pin is used to enable or disable the regulator. Typically, it is connected to high voltage (e.g., 5V or 12V) to enable the output. If grounded, the output is disabled.

     

     

    The XL6009 is a boost converter with 5 pins:

    • Pin 1: Input (IN)
      This pin is where you connect the input voltage (which should be lower than the desired output voltage). It typically ranges from 5V to 32V DC.
    • Pin 2: Ground (GND)
      This is the common ground pin.
    • Pin 3: Output (OUT)
      This is the pin where the boosted output voltage is available. The output voltage is determined by the feedback pin.
    • Pin 4: Feedback (FB)
      The feedback pin helps regulate the output voltage. You adjust it using a resistor divider between the output and this pin.
    • Pin 5: Enable (EN)
      This is the enable pin. It turns the regulator on or off. When connected to high voltage, the regulator is active.

     

     

    Package Includes

    20 Positive Voltage Regulator TO-220 10 Types

    • LM7805 - 2 Pcs
    • LM7809 - 2 Pcs
    • LM7812 - 2 Pcs
    • LM7815 - 2 Pcs
    • LM7905 - 2 Pcs
    • LM7909 - 2 Pcs
    • LM7912 - 2 Pcs
    • LM317 - 2 Pcs
    • LM2596-ADJ - 2 Pcs
    • XL6009 - 2 Pcs

    Features:

    • Versatile selection of fixed and adjustable regulators
    • Wide input voltage range (3V to 40V)
    • Stable and reliable voltage output
    • Built-in protection: overcurrent, thermal shutdown, and short-circuit
    • Supports high output current (up to 3A)
    • High efficiency (80-95%) in switching regulators
    • TO-220 package for easy heatsink mounting
    • Suitable for power supplies, embedded systems, and DIY projects
    • Cost-effective solution for multiple voltage regulation needs
    • Easy to use and implement

    Applications:

    • Power Supply Circuits - Ensures stable voltage for various electronic devices
    • DC-DC Conversion - Used in buck, boost, and buck-boost converter circuits
    • Embedded Systems - Provides regulated power for microcontrollers, sensors, and modules
    • Battery-Powered Devices - Maintains consistent voltage in battery-operated electronics
    • Audio & RF Circuits - Provides clean, regulated power to sensitive audio and radio-frequency circuits
    • Industrial Electronics - Used in power management systems for industrial machinery and equipment
    • Automotive Electronics - Regulates power in automotive control systems and devices
    • Prototyping & DIY Electronics - Ideal for hobbyists and engineers building custom circuits
    • Power Management for LED Drivers - Provides regulated voltage for LED lighting systems
    • Communication Equipment - Powers radio transmitters, receivers, and other communication hardware
    1. What is the difference between linear and switching regulators?

    Linear regulators (LM78XX, LM79XX, LM317): Provide stable output voltage with minimal noise but are less efficient and generate heat.

    Switching regulators (LM2596, XL6009): Offer high efficiency, handle higher currents, and work for voltage step-down (buck) or step-up (boost) applications.

    2. Do these regulators require heat sinks?

    Linear regulators (LM78XX, LM79XX, LM317) may require a heat sink if used with high input voltages or heavy loads.

    Switching regulators (LM2596, XL6009) are more efficient and generate less heat, so they usually do not require a heat sink.

    3. Can I use these regulators for Arduino or Raspberry Pi projects?

    Yes! LM7805 is great for providing 5V for Arduino, and LM2596-ADJ can efficiently step down voltages for Raspberry Pi and other development boards.

    4. Max current handling capacity?

    LM78XX/LM79XX/LM317: 1.5A, LM2596: 3A, XL6009: 4A peak.

    5. What happens if input voltage is too high?

    Regulator may overheat, fail, or output unstable voltage.

    6. Do I need additional components to use these regulators?

    Yes, capacitors are recommended for stability, and heat sinks may be needed for high loads.

    7. Is this pack suitable for beginners?

    Absolutely! It’s an all-in-one kit for learning voltage regulation and power management.

    8. Are these regulators suitable for PCB mounting?

    Yes, the TO-220 package is PCB-mountable, but a heat sink may be required for linear regulators.

    9. Can these regulators work with an AC input voltage?

    These regulators are designed for DC input, but you can use a rectifier to convert AC to DC before using them.

    10. Can I purchase specific types individually rather than in a pack?

    This product is sold as a complete pack, but individual types may be available separately upon bulk request.

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