Analog Devices MAX77857, Руководство пользователя

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Evaluates: MAX77857 (WLP) MAX77857 Evaluation Kit
www.analog.com Analog Devices | 15
NOTE: PLACE C
IN
AND C
OUT
CLOSE TO THE IC TO MINIMIZE PA RASITIC INDUCTANCE WITHIN THE LOOP
+
IN
PGND
OUT
PGND
BST1
V
L
FB SEL
*USING INTERNAL
FEEDB ACK 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
COMPONE NT SIZES LISTED IN
IMPERIAL (METRIC)
AGND
V
IO
EN
SDA
SCL
POKB/INTB
L
1008 (2520)
C
IN
0603
C
IN
0603
C
O
U
T
0603
C
O
U
T
0603
C
BST2
0603
C
BST1
0603
R
SEL
0402
R
PU
0
4
0
2
C
V
IO
0
4
0
2
C
VL
0402
Figure 17. HDI PCB Layout Recommendation for 35 WLP Package with POKB/INTB and 2520 Inductor
Ordering Information
PART U1 IC
DEFAULT OUTPUT
VOLTAGE
TYPE
MAX77857WEVKIT# MAX77T 5V EV Kit
#Denotes RoHS-compliant device that may include lead that is exempt under the RoHS requirements.
+Denotes a lead(Pb)-free/RoHS-compliant package.