ltc3731cuh-trpbf Linear Technology Corporation, ltc3731cuh-trpbf Datasheet - Page 23
ltc3731cuh-trpbf
Manufacturer Part Number
ltc3731cuh-trpbf
Description
3-phase, 600khz, Synchronous Buck Switching Regulator Controller
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3731CUH-TRPBF.pdf
(32 pages)
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APPLICATIO S I FOR ATIO
which is less than one third of the normal, full load
conditions. Incidentally, since the load no longer dissi-
pates any power, total system power is decreased by over
90%. Therefore, the system actually cools significantly
during a shorted condition!
V
IN
R
BOLD LINES INDICATE HIGH,
SWITCHING CURRENTS.
KEEP LINES TO A MINIMUM
LENGTH.
IN
+
C
IN
U
U
W
Figure 11. Branch Current Waveforms
SW1
SW2
SW3
D2
D1
U
D3
L1
L2
L3
PC Board Layout Checklist
When laying out the printed circuit board, the following
checklist should be used to ensure proper operation of
the IC. These items are also illustrated graphically in the
layout diagram of Figure 11. Check the following in the
PC layout:
R
R
R
SENSE2
SENSE3
SENSE1
C
OUT
3731 F11
+
V
OUT
LTC3731
23
3731fb
R
L
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