Firmware - Settembre 2014 / N°104 - (Page 46)

SPOTlight standard MIL-STD-1275D. Normalmente i progetti alternativi utilizzano circuiti in derivazione sull'ingresso che possono comportare danni o fusibili bruciati in caso di sovratensioni prolungate. Invece di scaricare elevati livelli di energia a terra usando componenti passivi ingombranti, i surge stopper ad alta tensione come l'LTC4366 e l'LT4363 limitano la tensione di uscita mediante MOSFET in serie in caso di picchi e so- vratensioni di ingresso. Durante il normale funzionamento, il MOSFET consente di ridurre al minimo la potenza dissipata nel MOSFET. Quando la tensione di ingresso aumenta in presenza di una sovratensione, il surge stopper regola la tensione di uscita in modo da fornire al carico una tensione sicura e ininterrotta. La limitazione della corrente e il timer proteggono i MOSFET esterni da eventi più gravi. Figura 4. Disturbi di avviamento FOCUS ON SKILLS INSIDE TOOLS ANALOG TIPS'N TRICKS MARKET NEWS SPOTLIGHT EVENTS ZAPPING MEMBERSHIP http://www.illuminotronica.it

Tabella dei contenuti per la edizione digitale del Firmware - Settembre 2014 / N°104

TIPS'n tricks LIN, Local Interconnect Network
FOCUS on Micro Python: arriva la Python board per i sistemi embedded
SKILLs
Più intelligenza nell’Illuminazione a LED
Lampada elettronica a LED con MSP430
INside
Termostati Evoluti da Freescale
Si7005: Sensore di Temperatura e Umidità I2C
ANALOG LDC1000 Inductance to Digital Converter
SPOTlight
“Surge Stopper” Serie LTC 436x da Linear: Alte Prestazioni in Spazi Ridotti
Soluzioni avanzate per la distribuzione del clock: domande e risposte
News
EVENTS zapping
Guida

Firmware - Settembre 2014 / N°104

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