The TC7660 device is a pin-compatible replacement for the industry standard 7660 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 electromagnetic interference (EMI). The on-board oscillator operates at a nominal frequency of 10 kHz. Operation below 10 kHz (for lower supply current applications) is possible by connecting an external capacitor from OSC to ground. The TC7660 is available in 8-Pin PDIP, 8-Pin Small Outline (SOIC) and 8-Pin CERDIP packages in commercial and extended temperature ranges.
Features:-
• Wide Input Voltage Range: +1.5V to +10V
• Efficient Voltage Conversion (99.9%, typ)
• Excellent Power Efficiency (98%, typ)
• Low Power Consumption: 80 µA (typ) @ VIN = 5V
• Low Cost and Easy to Use – Only Two External Capacitors Required
• Available in 8-Pin Small Outline (SOIC), 8-Pin PDIP and 8-Pin CERDIP Packages
• Improved ESD Protection (3 kV HBM)
• No External Diode Required for High-Voltage
Specification:-
| Parameter | Specification |
| Supply Voltage | +10.5V |
| LV and OSC Inputs Voltage | 730 mW |
| Current into LV | 20 µA for V+ > 3.5V |
| Output Short Duration | Continuous |
| Package Power Dissipation | 730 mW |
| Operating Temperature Range | 0°C to +70°C |
| Storage Temperature Range | -65°C to +160°C |
| Maximum Junction Temperature |  150°C |
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