3.3V Step-Up/Step-Down Voltage Regulator w/ Fixed 3V Low-Voltage Cutoff S9V11F3S5C3

Pololu item #: 2873
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 5.95
5 5.47
25 5.04
100 4.63


backorders allowed

Output voltage Typical max output current1 Input voltage range Low-voltage cutoff Size
3.3 V (5 V selectable) 1.5 A 2 V – 16 V
(3 V startup)
3 V (fixed) 0.5″ × 0.60″ × 0.17″

Note 1: For input voltages close to the output, after startup. Startup current is limited to approximately 700 mA until output voltage reaches the nominal voltage. After startup, the 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.

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

 Description Specs (12) Pictures (14) Resources (3) FAQs (0) On the blog (1) Distributors (56) 

Dimensions

Size: 0.5″ × 0.6″ × 0.17″1
Weight: 0.7 g1

General specifications

Minimum operating voltage: 3 V
Maximum operating voltage: 16 V
Continuous output current: 1.5 A2
Output voltage: 3.3 V3
Reverse voltage protection?: N
Maximum quiescent current: 0.3 mA4
Low-voltage cutoff: 3V (fixed)
Output type: fixed 3.3V (default), 5V selectable

Identifying markings

PCB dev codes: reg20b
Other PCB markings: 0J10534

Notes:

1
Without included optional headers.
2
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.
3
Output can be changed to 5 V by driving the SEL pin over 1.1 V.
4
While enabled with no load. See the quiescent current graph under the description tab for more information. Can be reduced to less than 7 µA per volt on VIN using the enable pin.

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