Description
Description
- Pololu 3.3V Step-up Voltage Regulator U1V11F3
- Boosts input from 0.5V to stable 3V
- Features true shutdown capability
- Offers 70%-90% efficiency
- Supports input currents up to 1.2A
- Includes thermal shutdown protection
The Pololu 3.3V Step-up Voltage Regulator U1V11F3 is a compact switching regulator designed to efficiently boost input voltages as low as 0.5 V to a stable 3 V output. It features a true shutdown capability, allowing complete power disconnection from the load, and automatically switches to a linear down-regulation mode when the input voltage exceeds the output.
This regulator is ideal for powering 3 V electronics from various battery types, including NiMH, NiCd, or lithium-ion cells. It offers high efficiency, typically ranging from 70% to 90%, and supports input currents up to 1.2 A. The device includes thermal shutdown protection to prevent overheating.
- 4×1 Straight male header strip
- 4×1 Right-angle male header strip
- 12 x 15 x 3 mm (0.45 x 0.6 x 0.1″)
- Input voltage range: 0.5 V to 5 V
- Fixed 3 V output with 4% accuracy
- True shutdown option to turn off power to the load
- Automatic linear down-regulation when input voltage exceeds output voltage
- 1.2 A switch supports input currents up to 1.2 A
- Efficient at light load with typical no-load quiescent current under 1 mA
- Integrated over-temperature shutoff
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