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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.
TC7660IJA Maximum Ratings
Supply Voltage ................................................. +10.5V LV and OSC Inputs Voltage (Note 1) ........................ 0.3V to (V+ + 0.3V) for V+ < 5.5V (V+ 5.5V) to (V+ + 0.3V) for V+ > 5.5V Current Into LV (Note 1) ............. 20 A for V+ > 3.5V Output Short Duration (VSUPPLY 5.5V) . Continuous Power Dissipation (TA 70°C) (Note 2) CerDIP ....................................................800mW Plastic DIP ................................................730mW SOIC ........................................................470mW Operating Temperature Range C Suffix .......................................... 0°C to +70°C I Suffix ...................................... 25°C to +85°C E Suffix ..................................... 40°C to +85°C M Suffix ................................... 55°C to +125°C Storage Temperature Range ........ 65°C to +150°C Lead Temperature (Soldering, 10 sec) ......... +300°C
TC7660IJA Features
Converts +5V Logic Supply to ±5V System Wide Input Voltage Range .................... 1.5V to 10V Efficient Voltage Conversion ......................... 99.9% Excellent Power Efficiency ............................... 98% Low Power Supply ...............................80A @ 5VIN Low Cost and Easy to Use - Only Two External Capacitors Required RS232 Negative Power Supply Available in Small Outline (SO) Package Improved ESD Protection ....................... Up to 3kV No Dx Diode Required for High Voltage Operation
