Pololu Step-Up/Step-Down Voltage Regulators

Item number: PO00004

Category: Power supply

Version

starting from 4,23 €

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There are variations of this item. Please select the variation you wish.


Description

Buck-boost and SEPIC converters work with input voltages that are higher than, equal to, or lower than the regulated output voltage, making them especially well-suited for battery-powered applications in which the battery voltage begins above the desired output voltage and drops below the target as the battery discharges. For applications where the input voltage will always be well above or below the output, consider step-down or step-up regulators. The following table shows some of the key stats for the regulators in this category.

Regulator Output voltage max output current Input voltage Typical efficiency
PO2574: S18V20F5 5 V 2 A 2.9 V - 32 V 80% - 90%
PO2575: S18V20F6 6 V 2 A 2.9 V - 32 V 80% - 90%
PO2576: S18V20F9 9 V 2 A 2.9 V - 32 V 80% - 90%
PO2577: S18V20F12 12 V 2 A 2.9 V - 32 V 80% - 90%
PO2572: S18V20ALV 4 V ? 12 V 2 A 2.9 V - 32 V 80% - 90%
PO2573: S18V20AHV 9 V ? 30 V 2 A 2.9 V - 32 V 80% - 90%
PO2118: S7V8A 2.5 V ? 8 V 1 A 2.7 V - 11.8 V 80% - 95%
PO2122: S7V8F3 3.3 V 1 A 2.7 V - 11.8 V 80% - 95%
PO2123: S7V8F5 5 V 1 A 2.7 V - 11.8 V 80% - 95%
PO2119: S7V7F5 5 V 1 A 2.7 V - 11.8 V 80% - 95%
PO2121: S10V4F5 5 V 0.4 A 2.5 V - 18 V 70% - 80%
PO2095: S10V3F9 9 V 0.3 A 2.5 V - 18 V 70% - 80%
PO2096: S10V2F12 12 V 0.2 A 2.5 V - 18 V 70% - 80%
PO2120: S8V3A 2 V ? 12 V 0.3 A 1.5 V - 12 V 55% - 65%

The S18V20x regulator family consists of the four fixed-output versions mentioned above along with two adjustable-output versions: the S18V20ALV offers an output range of 4 V to 12 V and the S18V20AHV offers an output range of 9 V to 30 V. The different versions of the board all look very similar, so the bottom silkscreen includes a blank space where you can add your own distinguishing marks or labels.

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