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3.3V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F3S5CMA

€8.95 *

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  • Pololu
  • EXP-R25-922
  • 2871
  • 2
  • US
  • 90328900
  • 0.001
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The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3 V... more

The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 2 V to 16 V. (Note: minimum start-up voltage is 3 V, but it operates to 2 V after that.) The regulator also has a precision-adjustable low-voltage cutoff with hysteresis that can be used to prevent battery over-discharge. The compact (0.5″ × 0.6″) module can supply a typical output current of up to 1.5 A when the input voltage is close to the output voltage.

Features:

 

  • Input voltage: 2 V to 16 V (note: this regulator requires 3 V to start, but it can operate down to 2 V after startup)
  • Fixed 3.3 V output with +5/-3% accuracy (can be changed to 5 V using the SEL pin)
  • Typical maximum continuous output current: 1.5 A (when input voltage is close to the output; the Typical efficiency and output current section below shows how the achievable continuous output current depends on the input and output voltages)
  • Precision-adjustable low-voltage cutoff with hysteresis can be used to protect batteries from over-discharging (quiescent current is approximately 10 µA per volt on VIN when regulator is disabled)
  • Power-good indicator can be used to tell when the regulator has reached and is maintaining its target output voltage
  • Power-saving feature maintains high efficiency at low currents (quiescent current is less than 1 mA while enabled)
  • Integrated over-temperature and short-circuit protection
  • Small size: 12.7 × 15.3 × 6.4 mm

 

Specifications:

  • Minimum operating voltage: 2 V
  • Maximum operating voltage: 16 V
  • Maximum output current: 1.5 A
  • Output voltage:3.3 V
  • Reverse voltage protection?: N
  • Maximum quiescent current: 1 mA
  • Low-voltage cutoff: adjustable
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