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LTC3204 - Low Noise Regulated Charge Pump

Features

  • Fixed 3.3V or 5V Outputs.
  • VIN Range: 1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3) 2.7V to 5.5V (LTC3204-5/LTC3204B-5).
  • Output Current: Up to 150mA (LTC3204-5/LTC3204B-5) Up to 50mA (LTC3204-3.3/LTC3204B-3.3).
  • Automatic Burst Mode® Operation with IQ = 48µA (LTC3204-3.3/LTC3204-5).
  • Constant Frequency Operation at All Loads (LTC3204B-3.3/LTC3204B-5).
  • Low Noise Constant Frequency (1.2MHz) Operation.
  • Built-In Soft-Start Reduces Inrush Current.
  • Shutdown Disconn.

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Full PDF Text Transcription

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LTC3204-3.3/LTC3204-5/ LTC3204B-3.3/LTC3204B-5 Low Noise Regulated Charge Pump in 2 × 2 DFN U U FEATURES ■ Fixed 3.3V or 5V Outputs ■ VIN Range: 1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3) 2.7V to 5.5V (LTC3204-5/LTC3204B-5) ■ Output Current: Up to 150mA (LTC3204-5/LTC3204B-5) Up to 50mA (LTC3204-3.3/LTC3204B-3.3) ■ Automatic Burst Mode® Operation with IQ = 48µA (LTC3204-3.3/LTC3204-5) ■ Constant Frequency Operation at All Loads (LTC3204B-3.3/LTC3204B-5) ■ Low Noise Constant Frequency (1.2MHz) Operation* ■ Built-In Soft-Start Reduces Inrush Current ■ Shutdown Disconnects Load from Input ■ Shutdown Current <1µA ■ Short-Circuit/Thermal Protection ■ Available in Low Profile 6-Lead DFN Package U APPLICATIO S ■ 2 AA Cell to 3.
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