LM2665 - Switched Capacitor Voltage Converter

Texas Instruments

Datasheet Details

Part number	LM2665
Manufacturer	Texas Instruments
File Size	1.17 MB
Description	Switched Capacitor Voltage Converter
Datasheet	LM2665 Datasheet

General Description

The LM2665 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 2.5 V to 5.5 V.

Two low-cost capacitors and a diode (needed during start-up) are used in this circuit to provide up to 40 mA of output current.

The LM2665 can also work as a voltage divider to split a voltage in the range of 1.8 V to 11 V in half.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM2665 SNVS009H – NOVEMBER 1999 – REVISED MARCH 2016 LM2665 Switched Capacitor Voltage Converter.

Key Features

1 Input Voltage for Voltage Doubler: 2.5 V to 5.5 V.
Voltage Divider Splits Voltage: 1.8 V to 11 V.
Doubles or Splits Input Supply Voltage.
12-Ω Typical Output Impedance.
90% Typical Conversion Efficiency at 40 mA.
1-µA Typical Shutdown Current 2.

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