S9V11E2x Step-up/Step-Down Voltage Regulators
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The S9V11E2x 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.)
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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:
| Regulator | Output voltage | Max continuous output current* |
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 | ||
| *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 “S9V11E2x Step-up/Step-Down Voltage Regulators”
| Pololu item #: 5712 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 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.
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