Нужна переделка понижающего блока питания с 12 или 24 вата на 48 ват, возможно ли такое сделать и есть ли умельцы ?
с 12 или 24 вата на 48 ват,
Вы про напряжение (вольты) или мощность (ватТы)?
Мощность 350
Выходное напряжение 48
Сильно зависит от конструкции исходного., особенно трансформатора. А вообще нужно: 1. Домотать (скорее перемотать - на домотку может места не хватить, провод на 48В можно тоньше) трансформатор. 2. Выпрямительный диод (диоды) вторичного выпрямителя заменить на более высоковольтные. 3. Электролитические конденсаторы вторичного выпрямителя также заменить на более высоковольтные (63в). 4. Пересчитать и заменить резисторы делителя напряжения в цепи стабилизации в соответствие требуемому выходному напряжению.
Дешевле и надёжней взять готовый, например www.chipdip.ru/product/lrs-350-48.
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