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ICL7660S voltage converter

ICL7660S voltage converter

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The ICL7660S and ICL7660A Super Voltage Converters aremonolithic CMOS voltage conversion ICs that guarantee significant performance advantages over other similar devices. They are direct replacements for the industry standard ICL7660 offering an extended operating supply voltage range up to 12V, with lower supply current. A Frequency Boost pin has been incorporated to enable the user to achieve lower output impedance despite using smaller capacitors. All improvements are highlighted in the

The ICL7660S and ICL7660A perform supply voltage conversions from positive to negative for an input range of 1.5V to 12V, resulting in complementary output voltages of -1.5V to -12V. Only two non-critical external capacitors are needed, for the charge pump and charge reservoir functions. The ICL7660S and ICL7660A can be connected to function as a voltage doubler and will generate up to 22.8V with a 12V input. They can also be used as a voltage multipliers or voltage dividers

Technical Specification

  • Guaranteed Lower Max Supply Current for All Temperature Ranges
  • Wide Operating Voltage Range: 1.5V to 12V
  • 100% Tested at 3V
  • Boost Pin (Pin 1) for Higher Switching Frequency
  • Guaranteed Minimum Power Efficiency of 96%
  • Improved Minimum Open Circuit Voltage Conversion Efficiency of 99%
  • Improved SCR Latchup Protection
  • Simple Conversion of +5V Logic Supply to ±5V Supplies
  • Simple Voltage Multiplication VOUT = (-)nVIN
  • Easy to Use; Requires Only Two External Non-Critical Passive Components
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