PCDC1008-R215EMO datasheet(46/51 Pages) IRF

부품명	PCDC1008-R215EMO

상세설명	25A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator

PDF	51 Pages

Scroll/Zoom	100%

제조업체	IRF [International Rectifier]

홈페이지	http://www.irf.com

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46 / 51 page

IR3447

www.irf.com

July 17, 2013

SOLDER RESIST



IR recommends that the larger Power or Land

Area pads are Solder Mask Defined (SMD).

This allows the underlying Copper traces to be

as large as possible, which helps in terms of

current carrying capability and device cooling

capability.



When using SMD pads, the underlying copper

traces should be at least 0.05mm larger (on

each edge) than the Solder Mask window, in

order to accommodate any layer to layer

misalignment. (i.e. 0.1mm in X & Y).



However, for the smaller Signal type leads

around

the

edge

the

device,

recommends that these are Non Solder Mask

Defined or Copper Defined.



When using NSMD pads, the Solder Resist

Window should be larger than the Copper Pad

by at least 0.025mm on each edge, (i.e.

0.05mm in X & Y), in order to accommodate

any layer to layer misalignment.



Ensure that the solder resist in-between the

smaller signal lead areas are at least 0.15mm

wide, due to the high x/y aspect ratio of the

solder mask strip.

SOLDER MASK DESIGN

PAD SIZES (DETAIL 1)

SOLDER MASK DESIGN

PAD SIZES (DETAIL 2)

PCDC1008-R215EMO 데이터시트(PDF) 46 Page - International Rectifier

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