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IP1837 Datasheet(PDF) 35 Page - International Rectifier

Part # IP1837
Description  Highly Integrated 35A Single?릋nput Voltage, Synchronous Buck Regulator
PDF  40 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IP1837 Datasheet(HTML) 35 Page - International Rectifier

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iP1837
Highly Integrated 35A Single‐input Voltage,  
Synchronous Buck Regulator 
March 5, 2012  |  V1.26   
35
97600
 
AGnd
PGnd
GND
Vin
Vout
SW
Vin
PGND
LGND
VOUT
Vin
PGND
 
Figure 35b: IRDC1837 demoboard layout considerations – Bottom Layer 
GND
AGND
PGND
 
Figure 35c: IRDC1837 demoboard layout considerations – 
Mid Layer 1 
SW
GND
PGND
 
Figure 35e: IRDC1837 demoboard layout considerations – 
Mid Layer 3 
SW
GND
Vin
VOUT
 
Figure 35d: IRDC1837 demoboard layout considerations – 
Mid Layer 2 
SW
GND
PGND
 
Figure 35f: IRDC1837 demoboard layout considerations – 
Mid Layer 4 
Remote sense traces, tapped 
at a low impedance node,  
such as across a capacitor, 
shielded by PGND layer are 
routed very close to each other 
and away from SW node 
 
 
All bypass caps  
(Marked in Cyan)  
should be placed  
as close as possible to  
their connecting pins 



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