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LTC3260 - Low Noise Dual Supply Inverting Charge Pump

Description

The LTC®3260 is a low noise dual polarity output power supply that includes an inverting charge pump with both positive and negative LDO regulators.

The charge pump operates over a wide 4.5V to 32V input range and can deliver up to 100mA of output current.

Features

  • VIN Range: 4.5V to 32V n Inverting Charge Pump Generates.
  • V IN n Charge Pump Output Current Up to 100mA n Low Noise Negative LDO Post Regulator (ILDO.
  • = 50mA Max) n Low Noise Independent Positive LDO Regulator (ILDO+ = 50mA Max) n 100µA Quiescent Current in Burst Mode® Operation with Both LDO Regulators On n 50kHz to 500kHz Programmable Oscillator Frequency n Stable with Ceramic Capacitors n Short-Circuit/Thermal Protection n Low Profile 3mm × 4mm 14-Pin DFN and Therm.

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Full PDF Text Transcription

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LTC3260 Low Noise Dual Supply Inverting Charge Pump FEATURES VIN Range: 4.5V to 32V n Inverting Charge Pump Generates –V IN n Charge Pump Output Current Up to 100mA n Low Noise Negative LDO Post Regulator (ILDO– = 50mA Max) n Low Noise Independent Positive LDO Regulator (ILDO+ = 50mA Max) n 100µA Quiescent Current in Burst Mode® Operation with Both LDO Regulators On n 50kHz to 500kHz Programmable Oscillator Frequency n Stable with Ceramic Capacitors n Short-Circuit/Thermal Protection n Low Profile 3mm × 4mm 14-Pin DFN and Thermally Enhanced 16-Pin MSOP Packages n DESCRIPTION The LTC®3260 is a low noise dual polarity output power supply that includes an inverting charge pump with both positive and negative LDO regulators. The charge pump operates over a wide 4.
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