www.ti.com
Design Calculations - 120V, 30W
(57)
10.8 Transformer
Maximum acceptable reflected voltage:
(58)
Primary to secondary turns ratio:
(59)
Actual reflected voltage:
(60)
Primary to auxiliary turns ratio:
(61)
Transformer primary inductance:
(62)
Number of primary turns:
(63)
Number of secondary turns:
(64)
Number of auxiliary turns:
(65)
Maximum flux density:
(66)
Resulting component choice:
(67)
10.9 Transil Clamp
TVS clamp voltage:
(68)
Resulting component choice:
(69)
27
SNVA485B – June 2011 – Revised May 2013
AN-2150 LM3450A Evaluation Board
Submit Documentation Feedback
Copyright © 2011–2013, Texas Instruments Incorporated
