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LTC1983-3 - 100mA REGULATED CHARGE-PUMP INVERTERS

Description

The LTC®1983-3 and LTC1983-5 are inverting charge pump DC/DC converters that produce negative regulated outputs.

The parts require only three tiny external capacitors and can provide up to 100mA of output current.

VIN supply) or regulate

Features

  • n Fixed Output Voltages:.
  • 3V,.
  • 5V or Low Noise VIN to.
  • VIN Inverted Output n ±4% Output Voltage Accuracy n Low Quiescent Current: 25µA n 100mA Output Current Capability n 2.3V to 5.5V Operating Voltage Range n Internal 900kHz Oscillator n “Zero Current” Shutdown n Short-Circuit and Over-Temperature Protected n Low Profile (1mm) ThinSOTTM Package.

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Full PDF Text Transcription

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Features n Fixed Output Voltages: –3V, –5V or Low Noise VIN to –VIN Inverted Output n ±4% Output Voltage Accuracy n Low Quiescent Current: 25µA n 100mA Output Current Capability n 2.3V to 5.5V Operating Voltage Range n Internal 900kHz Oscillator n “Zero Current” Shutdown n Short-Circuit and Over-Temperature Protected n Low Profile (1mm) ThinSOTTM Package Applications n –3V Generation in Single-Supply Systems n Portable Equipment n LCD Bias Supplies n GaAs FET Bias Supplies LTC1983-3/LTC1983-5 100mA Regulated Charge-Pump Inverters in ThinSOT Description The LTC®1983-3 and LTC1983-5 are inverting charge pump DC/DC converters that produce negative regulated outputs. The parts require only three tiny external capacitors and can provide up to 100mA of output current.
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