Pololu 5V, 500mA Step-Down Spannungsregler D24V5F5

Pololu 5V, 500mA Step-Down Spannungsregler D24V5F5

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SKU: PO2843
GTIN: 4060137016059
Category: Step-Down
Manufacturers: Pololu
MPN: 2843
Storage Tiers: Tier2

Überblick

The D24V5Fx family of buck (step-down) voltage regulators generates lower output voltages from input voltages as high as 36 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 93%, which is much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. These regulators have a power-save mode that activates at light loads and a low quiescent (no load) current draw, which make them well suited for low-power applications that are run from a battery.

The different versions of this regulator all look very similar, so the bottom silkscreen includes a blank space where you can add your own distinguishing marks or labels. This product page applies to all eight versions of the D24V5Fx family.

The regulators feature short-circuit/over-current protection, and thermal shutdown helps prevent damage from overheating. The boards do not have reverse-voltage protection.

The picture on the right shows a 1 A D24V10Fx regulator next to a 0.5 A D24V5Fx regulator and a common 7805 linear regulator in a TO-220 package.

Eigenschaften

Input voltage:
- 3 V to 36 V for output voltages of 1.8 V and 2.5 V
- [output voltage + dropout voltage] to 36 V for output voltages of 3.3 V and higher (see below for more information on dropout voltage)
Fixed 1.8 V, 2.5 V, 3.3 V, 5 V, 6 V, 9 V, 12 V, or 15 V output (depending on regulator version) with 4% accuracy
Maximum output current: 500 mA
Typical efficiency of 80% to 93%
500 kHz switching frequency (when not in power-save mode)
200 µA typical no-load quiescent current
Integrated over-temperature and over-current shutoff
Small size: 0.5" × 0.4" × 0.1" (13 mm × 10 mm × 3 mm)

Storage Tiers:	Tier2
Output Voltage:	5V
Output Current max.:	500mA
Operating Voltage max.:	36V
Operating Voltage min.:	5.1V
Regulator-Function:	Step-Down
Quiescent Current max.:	0.2mA
Output-Type:	fixed
Shipping weight:	0,01 kg
Item weight:	0,00 kg
Dimensions ( Length × Width × Height ):	1,10 × 1,30 × 0,30 cm