Electronics » Voltage Regulators and Power Supplies » Step-Up/Step-Down Voltage Regulators »
S9V11x Step-Up/Step-Down Voltage Regulators
The S9V11x family of efficient switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) use a buck-boost topology to convert both higher and lower input voltages to a regulated output voltage. They take input voltages from 2 V to 16 V and increase or decrease them as necessary, offering typical efficiencies of 85% to 95% and typical continuous output currents over 1.5 A for input voltages close to or greater than the output voltage. (Note: The minimum start-up voltage is 3 V, but the regulator will operate down to 2 V after startup.)
|
|
Note that the startup current is limited to approximately 700 mA until the output voltage reaches the nominal voltage; after startup, the available current is a function of the input voltage (see the product pages for more information). These regulators have short-circuit protection, and thermal shutdown prevents damage from overheating. The boards do not have built-in protection against reverse voltage, but reverse-voltage protection modules are available for adding that functionality.
The flexibility in input voltage offered by this family of regulators is especially well-suited for battery-powered applications in which the battery voltage begins above the regulated voltage and drops below as the battery discharges. Without the typical restriction on the battery voltage staying above the required voltage throughout its life, new battery packs and form factors can be considered.
The different members of this family offer different output voltage options, from fixed voltages (some with selectable alternatives) to adjustable voltages that can be set anywhere between 2.5 V and 9 V. Some versions also have an adjustable low-voltage cutoff that can be set anywhere in the 2 V to 16 V output voltage range and used to prevent your battery from over-discharging. This is particularly useful for battery chemistries that can be damaged when over-discharged, including Li-ion and LiPo. The chart below lists all the regulators in the S9V11x family along with the key features of each version:
| Regulator | Output voltage | Max continuous output current* |
Low-voltage cutoff |
Input voltage range |
Size | Price | |
|---|---|---|---|---|---|---|---|
 |
#5712 S9V11E2F3 | 3.3 V | 1.5 A | – | 2 V – 16 V (3 V startup) |
0.43″ × 0.65″ × 0.16″ |
$4.95 |
| #5713 S9V11E2F5 | 5 V | 1.7 A | $4.95 | ||||
| #5714 S9V11E2F6 | 6 V | 1.7 A | $4.95 | ||||
| #5715 S9V11E2F7 | 7.5 V | 1.7 A | $4.95 | ||||
| #5716 S9V11E2F9 | 9 V | 1.7 A | $4.95 | ||||
| #5719 S9V11E2A | 2.5 V – 9 V (adjustable) | 1.7 A | $5.49 | ||||
 |
#2836 S9V11F5 | 5 V | 1.5 A | 0.30″ × 0.45″ × 0.17″ |
$6.95 | ||
 |
#2872 S9V11F3S5 | 3.3 V (5 V selectable) | 1.5 A | 0.50″ × 0.60″ × 0.17″ |
$5.95 | ||
| #2873 S9V11F3S5C3 | 3.3 V (5 V selectable) | 1.5 A | 3 V (fixed) | $5.95 | |||
 |
#2869 S9V11MA | 2.5 V – 9 V (precison- adjustable 11-turn pot) |
1.7 A | – | 0.50″ × 0.60″ × 0.25″ |
$9.95 | |
 |
#2870 S9V11F5S6CMA | 5 V (6 V selectable) | 1.7 A | adjustable | $9.95 | ||
| #2871 S9V11F3S5CMA | 3.3 V (5 V selectable) | 1.5 A | adjustable | $9.95 | |||
 |
#2868 S9V11MACMA | 2.5 V – 9 V (precison- adjustable 11-turn pot) |
1.7 A | adjustable | $13.95 | ||
| *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 pages for more information. | |||||||
|
|
|
Compare all products in this category
Products in category “S9V11x Step-Up/Step-Down Voltage Regulators”
| Pololu item #: 5712 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 3.3 V | 1.5 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 5713 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 5 V | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 5714 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 6 V | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 5715 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 7.5 V | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 5716 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 9 V | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 5719 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 2.5 V – 9 V (adjustable) | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.43″ × 0.65″ × 0.16″ |
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.
| Pololu item #: 2836 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 5 V | 1.5 A | 2 V – 16 V (3 V startup) |
– | 0.30″ × 0.45″ × 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.
| Pololu item #: 2872 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| 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) |
– | 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.
| Pololu item #: 2873 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| 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.
| Pololu item #: 2869 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 2.5 V – 9 V (fine-adjust) | 1.7 A | 2 V – 16 V (3 V startup) |
– | 0.5″ × 0.60″ × 0.25″ |
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.
| Pololu item #: 2870 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 5 V (6 V selectable) | 1.7 A | 2 V – 16 V (3 V startup) |
fine-adjust | 0.5″ × 0.60″ × 0.25″ |
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.
| Pololu item #: 2871 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| 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) |
fine-adjust | 0.5″ × 0.60″ × 0.25″ |
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.
| Pololu item #: 2868 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
|
|
|
| Output voltage | Typical max output current1 | Input voltage range | Low-voltage cutoff | Size |
|---|---|---|---|---|
| 2.5 V – 9 V (fine-adjust) | 1.7 A | 2 V – 16 V (3 V startup) |
fine-adjust | 0.5″ × 0.60″ × 0.25″ |
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.
Related categories
Home | Forum | Blog | Support | Ordering Information | Lists | Distributors | BIG Order Form | About | Contact
© 2001–2026 Pololu Corporation
