Texas Instruments LM3448 -120VAC, 6W Isolated Flyback LED Driver Eval Board LM3448-120VFLBK/NOPB LM3448-120VFLBK/NOPB Fiche De Données
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Codes de produits
LM3448-120VFLBK/NOPB
Design Calculations
Resulting component choice:
(70)
14.7 COFF Current Source
Calculate off-time,
(71)
Choose current through resistor R16: 50µA
Calculate R16,
(72)
Calculate capacitor C12,
(73)
14.8 PassFET
Calculate maximum peak voltage:
(74)
Calculate current:
(75)
Calculate power dissipation:
(76)
Resulting component choice:
(77)
14.9 Input Capacitance
Minimum capacitance:
(78)
AC Voltage rating:
(79)
DC Voltage rating:
30
AN-2090 LM3448 -120VAC, 6W Isolated Flyback LED Driver
SNOA554C – October 2011 – Revised May 2013
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