Catalogue de démonstration / Régulateurs
5V 500mA step-down regulator D24V5F5
Pololu · MPN 2843 · version lisible par un agent
$8.95indicatif · 2026-08-22
Relevé dans les données structurées de Pololu à la date indiquée — ce n’est pas un devis. La disponibilité n’est délibérément pas affirmée.
| Pololu | $8.95 · 2026-08-22 | page produit ↗ |
Fiche technique corroborée Partsgraph (PDF)document propre · compilé à partir des sources ci-dessous
Spécifications — chaque valeur porte son justificatif
Électrique
| Courant de repos à vide, typ | 200 μA | page fournisseur“% 500 kHz switching frequency (when not in power-save mode) 200 μA typical no-load quiescent current Over-current and short-ci” |
| Protection surintensité / thermique | oui | page fournisseur“ight versions of the D24V5Fx family. The regulators feature short-circuit/over-current protection, and thermal shutdown helps prevent” |
| Protection contre les tensions inverses | non | page fournisseur“shutdown helps prevent damage from overheating. The boards do not have reverse-voltage protection. If you need more output current, consider the very similar” |
| Topologie | buck (step-down) | page fournisseur“voltage regulator in TO-220 package. The D24V5Fx family of buck (step-down) voltage regulators generates lower output voltages from inp” |
| Plage de VIN applicable, famille (avant la limite de dropout) | 3 à 36 V | page fournisseur“near regulator in a TO-220 package. Features Input voltage: 3 V to 36 V for output voltages of 1.8 V and 2.5 V [ output voltage + d” |
| Seuil bas de SHDN (en dessous de) | 0.4 V | page fournisseur“utput voltage (VOUT). The SHDN pin can be driven low (under 0.4 V) to turn off the output and put the board into a low-power” |
| Résistance de tirage de SHDN vers VIN | 100 kΩ | page fournisseur“output and put the board into a low-power state. There is a 100 kΩ pull-up resistor between the SHDN pin and VIN, so if you wa” |
| Consommation avec SHDN au niveau bas @ 36 V en entrée (env.) | 360 μA | page fournisseur“tional to the input voltage. (At 36 V in it will draw about 360 μA.) The input voltage, VIN, powers the regulator. Voltages be” |
| Condensateur d’entrée recommandé pour entrées >20 V (min) | 33 μF | page fournisseur“ads or supply has high inductance, we recommend soldering a 33 μF or larger electrolytic capacitor close to the regulator bet” |
| Tenue en tension recommandée du condensateur d’entrée (min) | 50 V | page fournisseur“een VIN and GND. The capacitor should be rated for at least 50 V. More information about LC spikes can be found in our appli” |
Performance
| Fréquence de découpage | 500 kHz | page fournisseur“mum output current: 500 mA Typical efficiency of 80% to 93% 500 kHz switching frequency (when not in power-save mode) 200 μA ty” |
| Rendement typique | 80 à 93 % | page fournisseur“DC-to-DC converters) and have a typical efficiency between 80% to 93%, which is much more efficient than linear voltage regulator” |
| Précision de la tension de sortie | 4 % | page fournisseur“12 V, or 15 V output (depending on regulator version) with 4% accuracy Maximum output current: 500 mA Typical efficiency” |
| Mode économie d’énergie à faible charge | oui | page fournisseur“input and output voltage is large. These regulators have a power-save mode that activates at light loads and a low quiescent (no load)” |
Interface
| Broche d’arrêt (SHDN) | oui | page fournisseur“ections The buck regulator has four connections: shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (V” |
| Connexions | shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (VOUT) | page fournisseur“ulator Connections The buck regulator has four connections: shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (VOUT). The SHDN pin can be driven low (under 0.4 V) to turn off t” |
Mécanique
| Taille de la carte | 13 mm x 10 mm x 3 mm | page fournisseur“n, over-temperature shutoff Small size: 0.5″ x 0.4″ x 0.1″ (13 mm x 10 mm x 3 mm) Using the regulator Connections The buck regulator has fou” |
| Écartement des broches | 0.1 ″ | page fournisseur“labeled on the back side of the PCB and are arranged with a 0.1″ spacing along the edge of the board for compatibility with” |
| Barrettes mâles incluses (droites + coudées) | oui | page fournisseur“4x1 straight male header strip or the 4x1 right-angle male header strip that is included. Typical efficiency and output current The efficiency of a” |
Général
| Tension de sortie | 5 V | page fournisseur“Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulato” |
| Courant de sortie | 500 mA | page fournisseur“Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulators and” |
| Tension d’entrée | 5.1 à 36 V | page fournisseur“pical max output current 1 Input voltage range 2 5 V 500 mA 5.1 V - 36 V Note 1: Actual achievable maximum continuous output current” |
Utilisé dans
Robot explorateur 2 roues motrices · Arrosage automatique de plantes — en tant que Alimentation de la pompe