Pololu 5V Step-Up Spannungsregler NCP1402

Artikelnummer: PO798

EAN: 4060137015854

Hersteller-Artikelnr.: 798

This compact step-up (or boost) regulator generates 5V from voltages as low as 0.8V and delivers up to 200mA, making it perfect for powering small 5V electronics projects from 1 to 3 NiMH, NiCd, or alkaline cells or from a single lithium-ion cell.

Kategorie: Spannungsregler


4,79 €

inkl. 19% USt.,

sofort verfügbar

Lieferzeit: 1 bis 2 Tage



Beschreibung

Overview

The Pololu adjustable boost regulator is a very flexible switching regulator (also called a switched-mode power supply, SMPS, or DC-to-DC converter) that can generate voltages higher than its input voltage. We offer two adjustable ranges: approximately 2.5 V to 9.5 Vand 4 V to 25 V. The output voltage can be set using the trimmer potentiometer in the upper-right corner of the board. The input voltage range is 1.5 V to 16 V (the input voltage should be kept below the output voltage). The integrated 2 A switch allows for output currents high enough to drive small motors, as in our 3pi robot, and allows large voltage gains, such as obtaining 24 V from two NiMH or NiCd cells.

Some example applications include:

  • Powering 5 V or 3.3 V systems from lower-voltage batteries
  • Powering 5 V subsystems (e.g. sensors) in lower-voltage (e.g. 3.3 V) systems
  • Achieving consistent actuator operation when powered by fluctuating batteries
  • Powering high-brightness LEDs or a large number of LEDs in series

Note: For high-volume applications, this product can be customized with fixed output voltages ranging from 2 V to 30 V.

Feature summary

  • input voltage: 1.5 V to 16 V
  • output adjustable from 2.5 V to 9.5 V or 4 V to 25 V
  • 750 kHz switching frequency
  • 2 A switch (and input) limit
  • integrated over-temperature and over-current shutoff
  • typical efficiency of 80-90% when doubling voltage and with 100-500 mA output
  • small size: 10.7 x 22.4 x 5.8 mm (0.42" x 0.88" x 0.23")
  • weight without header pins: 1.6 g (0.06 oz)

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