Pololu Step-Down Spannungsregler D15V35F5S3

Artikelnummer: PO2110

The compact (1.68"×0.46") D15V35F5S3 switching step-down (or buck) voltage regulator takes an input voltage between 4.5 V and 24 V and efficiently reduces it to a lower, user-selectable voltage. The selectable output voltages are 5 V and 3.3 V, and it can deliver up to 3.5 A continuous in typical applications.

Kategorie: Spannungsregler


14,56 €

inkl. 19% USt.,

sofort verfügbar

Lieferzeit: 1 bis 2 Tage



Beschreibung

Überblick

These buck (step-down) voltage regulators generate lower, user-selectable output voltages from an input voltage range of 4.5 to 24 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have a typical (when the output current is several amps) efficiency of approximately 90%, which is much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. The output voltage defaults to 5 V and can be changed to 3.3 V by jumping 3V3 SEL.

The regulator has under-voltage and short-circuit protection, and thermal shutdown prevents damage from overheating. The board has reverse-voltage protection.

Technische Daten

  • input voltage: 4.5 V to 24 V
  • typical continuous output current: 3.5 A (Actual continuous output current depends on thermal dissipation. See Output Current section below for details)
  • output voltage selectable as 5 V or 3.3 V
  • 700 kHz switching frequency
  • 15 mA typical no-load quiescent current (150 µA typical quiescent current with EN=0 V)
  • integrated over-current shutoff
  • small size: 1.68" × 0.46" × 0.3" (43 × 12 × 8 mm)
  • weight without header pins: 0.1 oz (3 g)

Using the Regulator

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