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MP8869SGL Datasheet(PDF) 35 Page - Monolithic Power Systems

Part # MP8869SGL
Description  18V, 12A, High-Efficiency, Wide-Input, Synchronous, Step-Down Converter with Integrated Telemetry via I2C Interface
PDF  39 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8869SGL Datasheet(HTML) 35 Page - Monolithic Power Systems

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MP8869S
– 18V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER
MP8869S Rev. 1.03
www.MonolithicPower.com
35
1/18/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
SW
VCC
VIN
3
10
VOUT
AGND KELVIN
CONNECT TO PGND
AT VCC CAP
DO NOT CONNECT
TO PGND HERE
PGND
BST
ANGD
At least two layers
should be applied
for Vin and PGND
and place >20 vias
close to the part for
a better thermal
performance
SS
VOUT
FB
VIN
PG
A0
EN
SDA
SCL
C2
C5
C6
R3
AGND
4
5
6
13
12
11
1
14
10
3
7
2
8
9
C1
L1
SW
VIN
PGND
--Top Layer
--Via
--Bottom Vin Layer
--Inner PGND Layer
--Inner Layer2
--Via For AGND
--Bottom Layer
R2
Figure 14: Recommended Layout
Design Example
Table 7 is a design example following the
application guidelines for the specifications
below.
Table 7: Design Example
VIN
5V
VOUT
1.8V
IO
12A
The detailed application schematics are shown
in Figure 15 through Figure 21. The typical
performance and circuit waveforms are shown
in the Typical Performance Characteristics
section. For more device applications, please
refer to the related evaluation board datasheets.



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