Pololu 12V Step-Up / Step-Down Voltage Regulator S18V20F12

PololuSKU: RB-Pol-640
Manufacturer #: 2577

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Description

  • Pololu Step-Up / Step-Down Voltage Regulator S18V20F12
  • Fixed 12V output with 4% accuracy
  • Input voltage: 2.9 to 32V
  • Typical maximum continuous output current: 2 A 

The Pololu 12V Step-Up / Step-Down Voltage Regulator S18V20F12 produces a fixed 12 V output from input voltages between 3 V and 30 V while allowing a typical output current of up to 2 A when the input voltage is close to the output voltage and offering typical efficiencies of 80% to 90%. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below the regulated voltage.

Pololu 12V Step-Up / Step-Down Voltage Regulator S18V20F12

Features

  • Typical maximum continuous output current: 2 A (when input voltage is close to the output voltage; the Typical Efficiency and Output Current section below shows how the achievable continuous output current depends on input and output voltages)
  • Integrated reverse-voltage protection (up to 30 V), over-current protection, over-temperature shutoff, and under-voltage lockout
  • Typical efficiency of 80% to 90%, depending on input voltage, output voltage, and load
  • Four 0.086″ mounting holes for #2 or M2 screws
  • Smaller holes for 0.1″ header pins and larger holes for terminal blocks offer several options for connecting to the board
  • 1 x Pololu 12V Step-Up / Step-Down Voltage Regulator S18V20F12
  • 0.825″ × 1.7″ × 0.38″
  • Weight: 7.5 g
  • Minimum operating voltage: 2.9 V
  • Maximum operating voltage: 32 V
  • Maximum output current: 2 A
  • Output voltage: 12 V
  • Reverse voltage protection
  • Maximum quiescent current: 5 mA

Identifying markings

  • PCB dev codes: reg14a
  • Other PCB markings:  0J7765, blank white box

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