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- Manufacturer: Pololu
- Order number: EXP-R25-1254
- Manufacturer part number: 3791
- Availability: 20
- country of origin: US
- HS code: 85423990
- Weight (kg): 0.001
This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input... more
This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages between 4 V and 50 V and efficiently reduces them to 3.3 V while allowing for a maximum output current of 600 mA. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
Details:
- Input voltage: 4 V to 50 V (minimum input subject to dropout voltage considerations for currents over 400 mA; see the dropout voltage section for details)
- Output voltage: 3.3 V with 4% accuracy
- Maximum output current: 600 mA (see the maximum continuous output current graph below)
- Fixed 2.1 MHz switching frequency
- High-voltage enable input can put the board into a low-power state where it draws less than 2 μA (typical)
- Low quiescent current: < 0.1 mA (see the quiescent current graph below)
- Integrated over-temperature and over-current shutoff
- Small size: 0.5″ × 0.4″ × 0.1″ (13 mm × 10 mm × 3 mm)
- Weight: 0.5 g
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