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Charge Pump DC-DC Voltage Converter
Overview
- Typical Active Output Current (mA):20
- Output Voltage (V):Vout = -Vin or Vout = 2Vin
- Typical Quiescent Current (µA):80
- Vin Max (V):10
- Vin Min (V):1.5
- Temp. Range Max. (°C):85
- Temp. Range Min. (°C):-45
- Title:Inverting or Doubling
- Converts +5V Logic Supply to ±5V System
- Efficient Voltage Conversion: 99.9%
- Excellent Power Efficiency: 98%
- Low Power Supply: 80µA @ 5VIN
- Low Cost and Easy to Use — Only Two External Capacitors Required
- RS232 Negative Power Supply
- Improved ESD Protection: Up to 3kV
- No Dx Diode Required for High Voltage Operation
The TC7660 is a pin-compatible replacement for the Industry standard TC7660 charge pump voltage converter. It converts a +1.5V to +10V input to a corresponding – 1.5V to -10V output using only two low-cost capacitors,eliminating inductors and their associated cost,size and EMI. The on-board oscillator operates at a nominal frequency of 10kHz.Operation below 10kHz (for lower supply current applications)is possible by connecting an external capacitor from OSC to ground (with pin 1 open). The TC7660 is available in both 8-pin DIP and 8-pin SOIC packages in commercial and extended temperature ranges.
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Tools And Software
Demo & Evaluation Boards
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 This is a blank PCB that allows the operation of Microchip Technology’s 8-pin devices to be easily evaluated.
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["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files: