Pololu 5V, 2.5A Step-Down Voltage Regulator D24V25F5

Pololu item #: 2850 304 in stock
Brand: Pololu
Status: Active 

Price break Unit price (US$)
1 10.95
5 9.95
25 8.95
100 7.95


backorders allowed

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors. 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.

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 Description Specs (10) Pictures (10) Resources (1) FAQs (0) On the blog (3) 

Dimensions

Size: 0.7″ × 0.7″ × 0.35″1
Weight: 2.6 g1

General specifications

Minimum operating voltage: 6 V2
Maximum operating voltage: 38 V
Continuous output current: 2.5 A3
Output voltage: 5 V
Reverse voltage protection?: Y
Maximum quiescent current: 0.7 mA4

Identifying markings

PCB dev codes: reg15a
Other PCB markings: 0J8475

Notes:

1
Without included optional headers.
2
For small loads; this voltage rises approximately linearly up to around 6.4 V at 2.5 A output.
3
Typical. Actual continuous output current limited by thermal dissipation.
4
Typical worst case. The ENABLE pin can be used to reduce the quiescent current to a few hundred microamps.

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