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MAX660

Texas Instruments
Part Number MAX660
Manufacturer Texas Instruments
Description Switched Capacitor Voltage Converter
Published Sep 20, 2022
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community MAX660 SNOS405B – NOVEMBER 1999 –...
Datasheet PDF File MAX660 PDF File

MAX660
MAX660

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community MAX660 SNOS405B – NOVEMBER 1999 – REVISED MAY 2017 MAX660 Switched Capacitor Voltage Converter 1 Features •1 Inverts or Doubles Input Supply Voltage • Narrow SO-8 Package • 6.
5-Ω Typical Output Resistance • 88% Typical Conversion Efficiency at 100 mA • Selectable Oscillator Frequency: 10 kHz/80 kHz 2 Applications • Laptop Computers • Cellular Phones • Medical Instruments • Operational Amplifier Power Supplies • Interface Power Supplies • Handheld Instruments 3 Description The MAX660 CMOS charge-pump voltage converter is a versatile unregulated switched-capacitor inverter or doubler.
Operating from a wide 1.
5-V to 5.
5-V supply voltage, the MAX660 uses two low-cost capacitors to provide 100 mA of output current without the cost, size and EMI related to inductorbased converters.
With an operating current of only 120 µA and operating efficiency greater than 90% at most loads, the MAX660 provides ideal performance for battery-powered systems.
MAX660 devices can be operated directly in parallel to lower output impedance, thus providing more current at a given voltage.
The FC (frequency control) pin selects between a nominal 10-kHz or 80-kHz oscillator frequency.
The oscillator frequency can be lowered by adding an external capacitor to the OSC pin.
Also, the OSC pin may be used to drive the MAX660 with an external clock up to 150 kHz.
Through these methods, output ripple frequency and harmonics may be controlled.
Additionally, the MAX660 may be configured to divide a positive input voltage precisely in half.
In this mode, input voltages as high as 11 V may be used.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) MAX660 SOIC (8) 4.
90 mm × 3.
91 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.
Voltage Inverter Positive Voltage Doubler 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, chang...


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