Democatalogus / Spanningsregelaars
5V 500mA step-down regulator D24V5F5
Pololu · MPN 2843 · agent-leesbare versie
$8.95indicatief · 2026-08-22
Overgenomen uit de eigen gestructureerde data van Pololu op de getoonde datum — geen offerte. Beschikbaarheid wordt bewust niet geclaimd.
| Pololu | $8.95 · 2026-08-22 | productpagina ↗ |
Door Partsgraph onderbouwd specificatieblad (PDF)eigen document · samengesteld uit de bronnen hieronder
Specificaties — elke waarde draagt haar bewijs
Elektrisch
| Ruststroom bij nullast, typ | 200 μA | leverancierspagina“% 500 kHz switching frequency (when not in power-save mode) 200 μA typical no-load quiescent current Over-current and short-ci” |
| Overstroom-/thermische beveiliging | ja | leverancierspagina“ight versions of the D24V5Fx family. The regulators feature short-circuit/over-current protection, and thermal shutdown helps prevent” |
| Beveiliging tegen tegenspanning | nee | leverancierspagina“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) | leverancierspagina“voltage regulator in TO-220 package. The D24V5Fx family of buck (step-down) voltage regulators generates lower output voltages from inp” |
| Toepasbaar VIN-bereik, familie (vóór de dropoutgrens) | 3 tot 36 V | leverancierspagina“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” |
| Lage drempel van SHDN (onder) | 0.4 V | leverancierspagina“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” |
| Pull-upweerstand van SHDN naar VIN | 100 kΩ | leverancierspagina“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” |
| Opname met SHDN laag @ 36 V ingang (ca.) | 360 μA | leverancierspagina“tional to the input voltage. (At 36 V in it will draw about 360 μA.) The input voltage, VIN, powers the regulator. Voltages be” |
| Aanbevolen ingangscondensator voor ingangen >20 V (min) | 33 μF | leverancierspagina“ads or supply has high inductance, we recommend soldering a 33 μF or larger electrolytic capacitor close to the regulator bet” |
| Aanbevolen spanningsvastheid van de ingangscondensator (min) | 50 V | leverancierspagina“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” |
Prestaties
| Schakelfrequentie | 500 kHz | leverancierspagina“mum output current: 500 mA Typical efficiency of 80% to 93% 500 kHz switching frequency (when not in power-save mode) 200 μA ty” |
| Typisch rendement | 80 tot 93 % | leverancierspagina“DC-to-DC converters) and have a typical efficiency between 80% to 93%, which is much more efficient than linear voltage regulator” |
| Nauwkeurigheid van de uitgangsspanning | 4 % | leverancierspagina“12 V, or 15 V output (depending on regulator version) with 4% accuracy Maximum output current: 500 mA Typical efficiency” |
| Energiebesparingsmodus bij lichte belasting | ja | leverancierspagina“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
| Uitschakelpin (SHDN) | ja | leverancierspagina“ections The buck regulator has four connections: shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (V” |
| Aansluitingen | shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (VOUT) | leverancierspagina“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” |
Mechanisch
| Printgrootte | 13 mm x 10 mm x 3 mm | leverancierspagina“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” |
| Pinafstand | 0.1 ″ | leverancierspagina“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” |
| Mannelijke headerstrips meegeleverd (recht + haaks) | ja | leverancierspagina“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” |
Algemeen
| Uitgangsspanning | 5 V | leverancierspagina“Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulato” |
| Uitgangsstroom | 500 mA | leverancierspagina“Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulators and” |
| Ingangsspanning | 5.1 tot 36 V | leverancierspagina“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” |
Gebruikt in
2WD-verkenningsrobot · Automatische plantenbewatering — als Pompvoeding