参数资料
型号: IRDC3853
厂商: International Rectifier
文件页数: 34/35页
文件大小: 0K
描述: BOARD EVAL FOR IR3853
标准包装: 1
系列: SupIRBuck™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 0 ~ 4A
输入电压: 12V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: IR3853
PD-97516
IR3853MPbF
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 the best results.
Evaluations have shown that the best overall performance is achieved using the stencil design shown
in following figure. This design is for a stencil thickness of 0.127mm (0.005"). The reduction should be
adjusted for stencils of other thicknesses.
Stencil pad sizing (all dimensions in mm)
Stencil pad spacing (all dimensions in mm)
Rev 4.0
34
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