Analog Devices │
13
MAX77831 Evaluation Kit
Evaluates: MAX77831
Figure 14. HDI PCB Layout Recommendation (with 2520 Inductor and POKB/INTB)
#Denotes a RoHS-compliant device that may include lead that is exempt under the RoHS requirements.
+Denotes a lead(Pb)-free/RoHS-compliant package.
PART
U1 IC
DEFAULT OUTPUT VOLTAGE
TYPE
MAX77831WEVKIT#
MAX77T
5V
EV Kit
NOTE:
PLACE C
IN
AND C
OUT
CLOSE TO THE IC TO MINIMIZE PARASITIC INDUCTANCE WITHIN THE LOOP
+
IN
PGND
OUT
PGND
BST1
V
L
FB
SEL
*USING INTERNAL
FEEDBACK RESISTORS
BST2
LX1
LX2
**LAYOUT BASED ON
3.8A I
LIM
CONFIGURATION
0603
0402
1008 (2520)
NON-HDI VIA
8mil HOLE, 16mil PAD
6mil HOLE, 12mil PAD
HDI µVIA
4mil HOLE, 8mil PAD
LEGEND
COMPONENT SIZES LISTED IN
IMPERIAL (METRIC)
AGND
V
IO
EN
SDA
SCL
POKB/INTB
L
1008 (2520)
C
IN
060
3
C
IN
060
3
C
OU
T
060
3
C
OU
T
060
3
C
BST2
0603
C
BST1
0603
R
SEL
0402
R
PU
04
02
C
VIO
04
02
C
VL
0402
Ordering Information
