2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator S9V11MA

Pololu item #: 2869
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 10.95
5 10.07
25 9.27
100 8.53


backorders allowed

Output voltage Typical max current* Input voltage range* Low-voltage cutoff Size
2.5 V – 9 V (fine-adjust) 1.5 A 2 V – 16 V 0.5″ × 0.60″ × 0.25″

*For input voltages close to the output. Actual achievable maximum continuous current is a function of input and output voltage and is limited by thermal dissipation. See the output current graphs on the product page for more information.

 Description Specs (11) Pictures (18) Resources (3) FAQs (0) On the blog (1) Distributors (44) 

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA (silkscreen side).

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA (non-silkscreen side).

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA with included optional header pins.

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA next to US quarter dollar for size reference.

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator S9V11MA labeled pinout.

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA (silkscreen side).

2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MA (non-silkscreen side).

A multi-turn potentiometer can be used to adjust the output voltage of the S9V11MAx voltage regulators.

Step up/step down regulator S9V11MACMA on a breadboard.

Step up/step down regulator S9V11F5S6CMA on a breadboard.

Step up/step down regulator S9V11F3S5 on a breadboard.

Typical maximum continuous output current of Step-Up/Step-Down Voltage Regulator S9V11x

Typical efficiency of Step-Up/Step-Down Voltage Regulator S9V11x with VOUT set to 3.3V.

Typical efficiency of Step-Up/Step-Down Voltage Regulator S9V11x with VOUT set to 5V.

Typical efficiency of Step-Up/Step-Down Voltage Regulator S9V11x with VOUT set to 6V.

Typical efficiency of Step-Up/Step-Down Voltage Regulator S9V11x with VOUT set to 7.5V.

Typical efficiency of Step-Up/Step-Down Voltage Regulator S9V11x with VOUT set to 9V.

Output voltage settings for the 2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator S9V11MACMA and S9V11MA.


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