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Design Calculations
Maximum drain-to-source voltage:
(49)
Maximum peak MosFET current:
(50)
Maximum RMS MosFET current:
(51)
Maximum power dissipation:
(52)
13.4 Current Sense
Current Limit:
(53)
Sense resistor:
(54)
Power dissipation:
(55)
Resulting component choice:
(56)
13.5 Re-Circulating Diode
Maximum reverse blocking voltage:
(57)
Maximum peak diode current:
(58)
Maximum average diode current:
(59)
Maximum power dissipation:
(60)
Resulting component choice:
(61)
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SNOA555CApril 2011Revised May 2013 AN-2091 LM3448 - 230VAC, 6W Isolated Flyback LED Driver
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