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U3V16x Step-Up Voltage Regulators
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The U3V16Fx family of compact boost (step-up) voltage regulators generate higher output voltages from input voltages as low as 1.3 V. (Note: The minimum start-up voltage is 2.7 V; see the product web page for details.) They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and have typical efficiencies between 85% and 95%.
The regulators actively limit the instantaneous input currents to 2 A when boosting, and input currents up to around 1.6 A can typically be maintained for many minutes without triggering thermal shutdown, though the actual performance depends on the input and output voltages as well as external factors such as ambient temperature and airflow. For boost regulators, the output current equals the input current times the efficiency divided by the boost ratio of VOUT to VIN, so the more you are boosting, the lower the maximum output current will be. The graph below shows maximum output currents that these regulators can deliver continuously at room temperature in still air and without additional heat sinking.
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These regulators have several built-in protections, including cycle-by-cycle input current limiting and over-temperature shutdown. The family includes seven versions with fixed output voltages ranging from 3.3 V to 15 V:
- U3V16F3: Fixed 3.3V output
- U3V16F5: Fixed 5V output
- U3V16F6: Fixed 6V output
- U3V16F7: Fixed 7.5V output
- U3V16F9: Fixed 9V output
- U3V16F12: Fixed 12V output
- U3V16F15: Fixed 15V output
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Products in category “U3V16x Step-Up Voltage Regulators”
| Pololu item #: 4940 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 3.3 V | 1.6 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4941 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 5 V | 1.6 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4942 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 6 V | 1.6 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4943 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 7.5 V | 1.6 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4944 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 9 V | 1.6 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4945 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 12 V | 1.5 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
| Pololu item #: 4946 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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| Output voltage | Typical max input current* | Min input voltage |
|---|---|---|
| 15 V | 1.4 A | 1.3 V (2.7 V startup) |
*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.
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