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TC168x - Inverting Charge Pump Voltage Doublers with Active High Shutdown

Datasheet Summary

Description

The TC1682/TC1683/TC1684 are CMOS charge pump converters that provide an inverted doubled output from a single positive supply.

An on-board oscillator provides the clock and only three external capacitors are required for full circuit implementation.

Features

  • TC1682/TC1683/TC1684 General.

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Datasheet Details

Part number TC168x
Manufacturer Microchip Technology
File Size 406.60 KB
Description Inverting Charge Pump Voltage Doublers with Active High Shutdown
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M Features • • • • • • • TC1682/TC1683/TC1684 General Description The TC1682/TC1683/TC1684 are CMOS charge pump converters that provide an inverted doubled output from a single positive supply. An on-board oscillator provides the clock and only three external capacitors are required for full circuit implementation. Switching frequencies are 12kHz for the TC1682, 35kHz for the TC1683, and 125kHz for the TC1684. When the SHDN pin is held at a logic high, the device goes into a very low power mode of operation consuming less than 1µA (typ) of supply current. Low output source impedance (typically 120Ω), provides output current up to 10mA. The TC1682/ TC1683/TC1684 feature a 1.8V to 5.
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