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DC / DC Adjustable Switching Regulators
Switching Voltage RegulatorSwitching Regulator/Step-down Regulator Multiwatt 4A
61
62
63
64
65
66
67
68
69
70
Figu
re
28:
Thermal
Characteris
tics
Figu
re
27:
P
.C.
Board
and
Component
Layout
of
the
Circ
uit
of
fig.
26
(Powerdi
p
Package)
(1:1
sca
le)
.
Figur
e
29:
Junction
to
Am
bient
Therm
al
Re
sis-
tance
vs.
Area
on
Board
Heatsink
(SO20)
L4963
-
L4
963
D
13/17
1
...
...
62
63
64
65
66
...
...
199
