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CAT661 - High Frequency 100 mA CMOS Charge Pump

Description

The CAT661 is a charge

pump voltage converter.

positive input voltage to a negative output.

Only two external capacitors are needed.

Features

  • Converts V+ to V.
  • or V+ to 2V+.
  • Low Output Resistance, 10 W Max.
  • High Power Efficiency.
  • Selectable Charge Pump Frequency of 25 kHz or 135 kHz; Optimize Capacitor Size.
  • Low Quiescent Current.
  • Pin.
  • compatible to MAX660, LTC660 with Higher Frequency Operation.
  • Available in 8.
  • pin SOIC Package.
  • These Devices are Pb.
  • Free, Halogen Free/BFR Free and are RoHS Compliant.

📥 Download Datasheet

Datasheet Details

Part number CAT661
Manufacturer onsemi
File Size 203.78 KB
Description High Frequency 100 mA CMOS Charge Pump
Datasheet download datasheet CAT661 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CAT661 High Frequency 100 mA CMOS Charge Pump, Inverter/Doubler Description The CAT661 is a charge−pump voltage converter. It can invert a positive input voltage to a negative output. Only two external capacitors are needed. With a guaranteed 100 mA output current capability, the CAT661 can replace a switching regulator and its inductor. Lower EMI is achieved due to the absence of an inductor. In addition, the CAT661 can double a voltage supplied from a battery or power supply. Inputs from 2.5 V to 5.5 V will yield a doubled, 5 V to 11 V output. A Frequency Control pin (BOOST/FC) is provided to select either a high (typically 135 kHz) or low (25 kHz) internal oscillator frequency, thus allowing quiescent current vs. capacitor size trade−offs to be made.
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