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Pololu Adjustable Boost Regulator 4-25V

11,09 € *

inkl. MwSt. zzgl. Versandkosten

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  • Pololu
  • EXP-R25-049
  • 799
  • 9
  • US
  • 90328900
  • 0.004
The Pololu adjustable boost regulator is a very flexible switching regulator (also called a... mehr
The Pololu adjustable boost regulator is a very flexible switching regulator (also called a switched-mode power supply, SMPS, or DC-to-DC converter) that can generate voltages higher than its input voltage. We offer two adjustable ranges: approximately 2.5 V to 9.5 V and 4 V to 25 V. The output voltage can be set using the trimmer potentiometer in the upper-right corner of the board. The input voltage range is 1.5 V to 16 V (the input voltage should be kept below the output voltage). The integrated 2 A switch allows for output currents high enough to drive small motors, as in our 3pi robot, and allows large voltage gains, such as obtaining 24 V from two NiMH or NiCd cells.
 
Some example applications include:
  • Powering 5 V or 3.3 V systems from lower-voltage batteries
  • Powering 5 V subsystems (e.g. sensors) in lower-voltage (e.g. 3.3 V) systems
  • Achieving consistent actuator operation when powered by fluctuating batteries
  • Powering high-brightness LEDs or a large number of LEDs in series
We also offer several boost regulators with fixed output voltages:
  • Pololu 9V Step-Up Voltage Regulator U3V12F9
  • Pololu 5V Step-Up Voltage Regulator U3V12F5
  • Pololu 12V Step-Up Voltage Regulator U3V12F12
Note: For high-volume applications, this product can be customized with fixed output voltages ranging from 2 V to 30 V.
 
Feature summary:
  • input voltage: 1.5 V to 16 V
  • output adjustable from 4 V to 25 V
  • 750 kHz switching frequency
  • 2 A switch (and input) limit
  • integrated over-temperature and over-current shutoff
  • typical efficiency of 80-90% when doubling voltage and with 100-500 mA output
  • small size: 10.7 x 22.4 x 5.8 mm (0.42" x 0.88" x 0.23")
  • weight without header pins: 1.6 g (0.06 oz)
Dimensions:
Size: 0.42″ × 0.88″ × 0.23″1
Weight: 1.6 g1
Specifications:
Minimum operating voltage: 1.5 V
Maximum operating voltage: 16 V2
Maximum input current: 2 A
Minimum output voltage: 4 V
Maximum output voltage: 25 V
Reverse voltage protection?: N
Maximum quiescent current: 30 mA3
Notes:
  • 1. Without included optional headers.
  • 2. Absolute max. The operating voltage should not exceed the set output voltage, VOUT.
  • 3. With no load. Actual quiescent current ranges from 2 to 30 mA depending on input voltage and output voltages
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