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LM2765 - Switched-Capacitor Voltage Converter

Description

The LM2765 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 1.8 V to 5.5 V.

Two low-cost capacitors and a diode are used in this circuit to provide up to 20 mA of output current.

Features

  • 1 Doubles Input Supply Voltage.
  • SOT-23 6-Pin Package.
  • 20-Ω Typical Output Impedance.
  • 90% Typical Conversion Efficiency at 20 mA.
  • 0.1-µA Typical Shutdown Current 2.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM2765 SNVS070D – MARCH 2000 – REVISED SEPTEMBER 2016 LM2765 Switched-Capacitor Voltage Converter 1 Features •1 Doubles Input Supply Voltage • SOT-23 6-Pin Package • 20-Ω Typical Output Impedance • 90% Typical Conversion Efficiency at 20 mA • 0.1-µA Typical Shutdown Current 2 Applications • Cellular Phones • Pagers • PDAs • Operational Amplifier Power Supplies • Interface Power Supplies • Handheld Instruments 3 Description The LM2765 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 1.8 V to 5.5 V. Two low-cost capacitors and a diode are used in this circuit to provide up to 20 mA of output current.
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