:
o
:
o
+
k
10
32
R
M
1
29
R
26
R
Design Calculations - 120V, 30W
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10.10 Dynamic Hold
ISEN sense resistance:
(70)
HOLD resistance:
(71)
Resulting component choice:
(72)
10.11 Decoder Input
Resistor divider:
(73)
Resulting component choice:
(74)
10.12 Output Voltage Sense
Resistance:
(75)
Resulting component choice:
(76)
10.13 Loop Compensation
Converter output pole:
(77)
Converter DC gain:
(78)
LM3450A and external sensing DC gain:
(79)
Secondary compensator dominant pole:
(80)
Secondary compensator zero:
(81)
28
AN-2150 LM3450A Evaluation Board
SNVA485B – June 2011 – Revised May 2013
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