Pololu 3.3V, 300mA Step-Down Spannungsregler D24V3F3

Artikelnummer: PO2097

Hersteller Artikel Nr.: 2097

The compact (0.4" × 0.5") D24V3F3 switching step-down (or buck) voltage regulator takes an input voltage between 4.3 V and 42 V and efficiently reduces it to 3.3 V while allowing for a maximum output current of 300 mA. The pins have a 0.1" spacing, making this board compatible with standard solderless breadboards and perfboards.

Kategorie: Spannungsregler


3,94 €

inkl. 19% USt.,

10 bestellt, am 29.05.2017 erwartet

Lieferzeit: 3 bis 4 Tage



Beschreibung

Überblick

These buck (step-down) voltage regulators generate lower output voltages from input voltages as high as 42 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have a typical efficiency between 80% to 90%, which is much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. This regulator is available with a fixed 3.3 V, 5 V, 9 V, or 12 V output, and two versions are available for each voltage, one with a 300 mA maximum output current (D24V3Fx) and one with a 600 mA maximum output current (D24V6Fx):

The regulator has short-circuit protection, and thermal shutdown prevents damage from overheating. The board does not have reverse-voltage protection.

Eigenschaften

    • Input voltage: [output voltage + dropout voltage] to 42 V (see below for more information on dropout voltage)
    • Fixed 3.3 V, 5 V, 9 V, or 12 V output (depending on regulator version) with 4% accuracy
    • Maximum output current: 300 mA or 600 mA (depending on regulator version)
    • 1.25 MHz switching frequency
    • 2 mA typical no-load quiescent current (20 µA typical quiescent current with SHDN = LOW)
    • Integrated over-temperature and over-current shutoff
    • Small size: 0.5" × 0.4" × 0.1" (13 mm × 10 mm × 3 mm)

Using the Regulator


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