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L7908CV +BOM

Negative voltage regulators

L7908CV Information

Description

The STMicroelectronics L7908CV is a bi-polar voltage regulator IC that regulates the output voltage down to -8V from a higher input voltage. It features high output current up to 1.5A, thermal overload protection, short-circuit protection, and output SOA (Stress Overload) protection for reliable operation. This device is suitable for various electronic devices, including automotive applications, industrial control systems, and power supplies, where stable and reliable regulation of low voltage levels is essential. Its -8V output tolerance allows it to regulate voltage levels for equipment that operates at negative voltages. In summary, the STMicroelectronics L7908CV is a high-reliability voltage regulator IC suitable for a wide range of applications where precise regulation of negative voltage levels is required.

Features

The L7908CV features include:

  • Output current up to 1.5 A
  • Output voltages: -5, -8, -12, and -5 V
  • Thermal overload protection
  • Short-circuit protection
  • Output SOA protection
  • Output tolerance 2% (AC version) or 4% (C version) at 25 °C

These features make the L7908CV a reliable voltage regulator IC for various electronic devices, including automotive applications, industrial control systems, and power supplies.

Package

The package type of L7908CV is TO-220-3.

Pinout

Based on the information provided, the L7908CV has a 3-pin package (TO-220-3). The pins are:

  • 1.
  • Input
  • - for receiving the input voltage 2.
  • Output
  • - for delivering the regulated output voltage of -8V 3.
  • Ground
  • - connected to the negative supply rail
  • These three pins make up the terminal block configuration of the L7908CV, allowing it to regulate an input voltage to a -8V output.

    Manufacturer

    The manufacturer of the L7908CV is STMicroelectronics, a multinational semiconductor company that designs, develops, manufactures, and markets semiconductor products.

    Applications

    The application areas of the L7908CV include:

    • Automotive applications
    • Industrial control systems
    • Power supplies

    These areas require stable and reliable operation of electronic components, which the L7908CV voltage regulator IC can provide by stepping down voltage levels from a higher input voltage to a fixed low output voltage of 8V.

    Equivalent

    The equivalent products of L7908CV are:

    • Texas Instruments LM78L08
    • ON Semiconductor NCP7808
    • Analog Devices ADP38P-8.0
    • Microsemi MIC7808

    These voltage regulators have similar specifications and functionality to the STMicroelectronics L7908CV, but may have slightly different characteristics or packaging.

    Specifications

    Category Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear Output Configuration Negative
    Output Type Fixed Number of Regulators 1
    Voltage - Input (Max) -35V Voltage - Output (Min/Fixed) -8V
    Voltage - Output (Max) - Voltage Dropout (Max) 1.1V @ 1A (Typ)
    Current - Output 1.5A Current - Quiescent (Iq) 3 mA
    PSRR 60dB (120Hz) Control Features -
    Protection Features Over Temperature, Short Circuit Operating Temperature 0°C ~ 125°C
    Mounting Type Through Hole Base Product Number L7908
    Package/Case TO-220

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    Ratings and Reviews

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    I
    I**a 04/06/2022

    thank you very much for nice service and fast delivery.

    16
    S
    S**l 03/12/2022

    Thank you, the goods priyshov shvidko. Poki does not fit.

    6
    G
    G**n 01/19/2022

    Item received in 19 days to Malta. Packed in manufacturers sealed packaging and bubble envelope goods arrived intact. Very happy with my purchase. Fast shipping. Have not tried yet, but as they are sealed there should be no problems. Will update this review if there is need to. Recommend this seller and the product.

    13
    S
    S**e 09/06/2020

    The product is packed perfectly delivered without breakage and quickly. Seller well done

    4

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