IRDC3831 International Rectifier, IRDC3831 Datasheet - Page 27
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IRDC3831
Manufacturer Part Number
IRDC3831
Description
BOARD EVAL SYNC BUCK CONVERTER
Manufacturer
International Rectifier
- Current page: 27 of 31
- Download datasheet (934Kb)
11/05/10
Single point
connection between
AGND & PGND,
should be close to
the SupIRBuck, kept
away from noise
sources.
Feedback
trace should
be kept
away form
noise
sources
Analog
Ground
plane
Fig. 26c. IR3831 layout considerations – Mid
Layer 1
Fig. 26b. IR3831 layout considerations –
Bottom Layer
Fig. 26d. IR3831 layout considerations – Mid
Layer 2
Use separate traces
for connecting Boot
cap and Rocset to the
switch node and with
the minimum length
traces. Avoid big
loops.
IR3831MPbF
AGnd
Power
Ground
Plane
PGnd
Vin
27
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