Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5

Pololu item #: 2866 29 in stock

Price break Unit price (US$)
1 27.95
5 24.95
25 21.95
100 19.49


backorders allowed

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V with an available output current of around 9 A. Typical efficiencies of 80% to 95% make this regulator well suited for higher-power applications like powering motors or servos, while high efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps. The regulator’s output voltage setting can also be lowered by adding an external resistor.

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 Description Specs (10) Pictures (10) Resources (1) FAQs (0) On the blog (1) 

Dimensions

Size: 1.6″ × 0.8″ × 0.3″1
Weight: 4.8 g1

General specifications

Minimum operating voltage: 5 V
Maximum operating voltage: 38 V
Continuous output current: 9 A2
Output voltage: 5 V
Reverse voltage protection?: Y
Maximum quiescent current: 15 mA3

Identifying markings

PCB dev codes: reg15b
Other PCB markings: 0J8008, blank white box

Notes:

1
Without included hardware.
2
Typical. Actual continuous output current limited by thermal dissipation.
3
Typical worst case (i.e. with VIN close to 5V). Quiescent current depends on the input and output voltages and is much lower for most of the input voltage range (typically below 1 mA). The ENABLE pin can be used to reduce the quiescent current to a few hundred microamps.

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