555 Timer Circuit Design
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Table
| Designador | Descripción | Link |
|---|---|---|
| U1 | Regulador DC-DC ajustable, por ejemplo, LM2596 DC-DC Converter | LM2596 DC-DC Converter |
| C1 | Condensador de entrada (por ejemplo, 100µF con voltaje adecuado) | 100µF capacitor |
| C2 | Condensador de salida (por ejemplo, 220µF con voltaje adecuado) | 220µF capacitor |
| L1 | Inductor (valor a determinar según el diseño; en muchos casos en torno a 33µH, consultar hoja de datos) | Inductor Buck |
| D1 | Diodo Schottky (por ejemplo, 1N5819 Schottky u otro con características similares) | 1N5819 Schottky |
| R1 y R2 | Divisor de retroalimentación: Por ejemplo, para un LM2596, se puede usar la fórmula: | |
| VOUT=1.23 (1+R2R1) | ||
| Para 19V, se requiere que: | ||
| R2R1=1.2319−1≈14.45 | ||
| Se puede elegir, por ejemplo, R2 = 1kΩ y R1 ≈ 14.7kΩ (valor estándar cercano). | Resistor feedback | |
| GND | Conexión a tierra. Siempre incluya el componente de tierra Ground para las conexiones de referencia. | Ground |
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