TC7660 IC – Charge Pump DC to DC Voltage Converter IC
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.
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Description
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 ?A (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 ?A 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 |
Additional information
Operating voltage | 2.5 3.0V |
Pixel Resolution | 0.3MP |
Photosensitive array | 640 x 480 |
Optical Size | 1.6 inch |
Angel of view | 67 degrees |
Maximum Frame Rate | 30fps VGA |
Sensitivity | 1.3V/(Lux-sec) |
Dormancy | Less than 20A |
Power consumption | 60mW/15fpsVGA YUV |
Temperature operation Range | -30 C ~ 70 C |
Pixel area | 3.6 x 3.6 m |
Signal to noise ratio (SNR) | 46 dB |
Dynamic range | 52 dB |
Specification
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