9V, 2.5A Step-Up/Step-Down Voltage Regulator S13V25F9

Pololu item #: 4983
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 13.95
5 12.83
25 11.81
100 10.86


backorders allowed

This synchronous switching step-up/step-down regulator efficiently produces 9 V from input voltages between 2.8 V and 22 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 9 V. The board measures 0.9″ × 0.9″, has a typical efficiency of 85% to 95%, and can supply typical continuous output currents between 1 A and 3 A depending on the input voltage. The regulator also features reverse voltage protection and an optional enable input that can be used to put the regulator in a low-power state with a current draw of less than 10 µA per volt on VIN.

Alternatives available with variations in these parameter(s): output voltage Select variant…

 Description Specs (11) Pictures (16) Resources (3) FAQs (0) On the blog (1) 

Dimensions

Size: 0.9″ × 0.9″ × 0.38″1
Weight: 3.8 g2

General specifications

Minimum operating voltage: 2.8 V
Maximum operating voltage: 22 V
Continuous output current: 2.5 A3
Output voltage: 9 V
Reverse voltage protection?: Y4
Maximum quiescent current: 30 mA5
Output type: fixed 9V

Identifying markings

PCB dev codes: reg29b
Other PCB markings: 0J14085

Notes:

1
Without included optional headers or terminal blocks. Height with terminal blocks installed is approximately 0.5″.
2
Without included optional headers or terminal blocks.
3
Under typical conditions, where the input voltage is close to the output voltage. Actual achievable continuous output current is a function of input voltage and is limited by thermal dissipation. See the output current graph under the description tab for more information.
4
To -20 V. Connecting supplies over 20 V in reverse can damage the device.
5
While enabled with no load. See the quiescent current graph under the description tab for more information. Can be reduced to under 1 mA using the enable pin.

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0.100" (2.54 mm) Female Header: 1x5-Pin, Straight
0.1" (2.54mm) Crimp Connector Housing: 1x5-Pin 10-Pack
Screw Terminal Block: 2-Pin, 3.5 mm Pitch, Side Entry (4-Pack)

Related Categories

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0.1″ (2.54 mm) Male Headers
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