Voltage 奇怪的美发沙龙 and Power Supplies » Step-Up (Boost) Voltage 奇怪的美发沙龙 » U1V11x Step-Up Voltage 奇怪的美发沙龙 »
Pololu 3.3V Step-Up Voltage Regulator U1V11F3
This compact (0.45″×0.6″) U1V11F3 switching step-up (or boost) voltage regulator efficiently generates 3.3 V from input voltages as low as 0.5 V. Unlike most boost 奇怪的美发沙龙, the U1V11F3 offers a true shutdown option that turns off power to the load, and it automatically switches to a linear down-regulation mode when the input voltage exceeds the output. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
Alternatives available with variations in these parameter(s): output voltage Select variant…
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Dimensions
| Size: | 0.45″ × 0.6″ × 0.1″1 |
|---|---|
| Weight: | 0.7 g1 |
General specifications
| Minimum operating voltage: | 0.5 V |
|---|---|
| Maximum operating voltage: | 5.5 V |
| Maximum input current: | 1.2 A2 |
| Output voltage: | 3.3 V |
| Reverse voltage protection?: | N |
| Maximum quiescent current: | 1 mA3 |
Identifying markings
| PCB dev codes: | reg12a |
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| Other PCB markings: | 0J7440 |
Notes:
- 1
- Without included optional headers.
- 2
- Regulator may overheat at lower input currents when VIN is much lower than VOUT. Available output current is a function of VIN, VOUT, and the regulator efficiency.
- 3
- The highest quiescent currents occur at very low input voltages; for most of the input voltage range, the quiescent current is well below 1 mA.
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