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    Home / Power & Voltage Sources / Step-Down Converters / Step-down converter with TPS5450 adjustable symmetrical voltage source

    Step-down converter with TPS5450 adjustable symmetrical voltage source

    Code: LA122049
    1 rating
    LaskaKit step down menic s tps5450 2
    €13,58 €11,22 excl. VAT
    In stock (5 pcs)
    Delivery to:
    09/12/2025

    Step-down converter with symmetrical output voltage from ±1.3 to ±16V

    Detailed information

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    Product detailed description

    Step-down converter with symmetrical output voltage from ±1.3 to ±16V, suitable for powering operational amplifier applications where a symmetrical supply is required but only a positive voltage source is available.

    Specifications:

    • Chip: 2x TPS 5450
    • Input voltage: 5.5-35V
    • Output voltage: ±1.3-16V
    • Output current max:
      • +Vout 3A
      • -Vout 2A
    • -Vout and +Vout can also be used separately.
    • Output secondary LC filter for stable output with ultra-low ripple
    • Frequency: 500kHz
    • Efficiency: 93% (max)
    • Dimensions: 60x23x12mm
    • Weight: 18g

    Included in delivery:

    • 1pc Step-down converter with TPS5450 regulated symmetrical voltage source

    Remark:

    • This product is not a standalone functional unit and may require professional installation.
    • Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.

    Additional parameters

    Category: Step-Down Converters
    Warranty: 2 years
    Weight: 0.018 kg
    Max. output current: 1-3A
    Constant current function: ne
    Input voltage max.: 30-36V
    Input voltage min.: Up to 4V
    Output voltage max.: 12-20V
    Output voltage min.: 1-2V
    Max. Power: 12-25W
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    RR Avatar of author | 30/09/2024
    Splnil moje očakávanie.
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    Avatar of author Princip funkce? 12/05/2025 01:15
    Dobrý den, rád bych věděl jak přesně funguje symetrizace napětí: jestli je nutné pro výstup symetrizovaného napětí o požadované velikosti (e.g.: ++5V a --5V) dodat vstupní napětí alespoň dvojnásobné, (tj. ++10V), popř. ještě o trochu větší, nebo jestli stačí jen menší nadpětí nad napětím požadovaným (tj. cca ++7V, podobně jako u lineárních stabilizátorů LM apod.) a obvod sám vstupní napětí přetransformuje na negativní, podobně jako pracují spínané obvody zdrojů. Z popisu by se dalo trochu odtušit že k určité transformaci docházet bude, protože max. vstup 35V je nižší než max. výstup 2x16V, ale nevím přesně.