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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TC7660EOA Fiches technique(PDF) 9 Page - Microchip Technology |
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TC7660EOA Fiches technique(HTML) 9 Page - Microchip Technology |
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9 / 12 page  9 TC7660 CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER © 2001 Microchip Technology Inc. DS21465A TC7660-7 9/30/96 1 2 3 4 8 7 6 5 + VOUT = –V – 10 µF + 1 M Ω V– INPUT C1 10 µF TC7660 + R L1 R L2 V OUT = V + –V – 2 50 µF 100 k Ω 50 µF V + V – 50 µF + 1 M Ω 1 2 8 7 TC7660 3 4 6 5 + – – Voltage Splitting The same bidirectional characteristics used in Figure 10 can also be used to split a higher supply in half, as shown in Figure 11. The combined load will be evenly shared be- tween the two sides. Once again, a high value resistor to the LV pin ensures start-up. Because the switches share the load in parallel, the output impedance is much lower than in the standard circuits, and higher currents can be drawn from the device. By using this circuit, and then the circuit of Figure 5, +15V can be converted (via +7.5V and –7.5V) to a nominal – 15V, though with rather high series resistance (~250 Ω). Figure 10. Positive Voltage Conversion Figure 11. Splitting a Supply in Half |
Numéro de pièce similaire - TC7660EOA |
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Description similaire - TC7660EOA |
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