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59PR9875N bảng dữ liệu(PDF) 46 Page - International Rectifier

tên linh kiện 59PR9875N
Giải thích chi tiết về linh kiện  16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator
PDF  49 Pages
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nhà sản xuất  IRF [International Rectifier]
Trang chủ  http://www.irf.com
Logo IRF - International Rectifier

59PR9875N bảng dữ liệu(HTML) 46 Page - International Rectifier

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IR3448
46
www.irf.com
© 2013 International Rectifier
August 01, 2013
STENCIL DESIGN
Stencils for PQFN can be used with
thicknesses of 0.100-0.250mm (0.004-0.010”).
Stencils thinner than 0.100mm are unsuitable
because they deposit insufficient solder paste
to make good solder joints with the ground
pad; high reductions sometimes create similar
problems. Stencils in the range of 0.125mm-
0.200mm
(0.005-0.008”),
with
suitable
reductions, give best results.
Evaluations have shown that the best overall
performance is achieved using the stencil
design shown in following figure. This design
for a stencil thickness of 0.127mm (0.005”).
The reduction should be adjusted for stencils
of other thicknesses.
SOLDER PASTE STENCIL
PAD SIZES (DETAIL 1)
SOLDER PASTE STENCIL
PAD SIZES (DETAIL 2)



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