参数资料
型号: IR3513ZMTRPBF
厂商: International Rectifier
文件页数: 32/36页
文件大小: 0K
描述: IC CTRL XPHASE3 POL 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 3mA
电源电压: 8 V ~ 16 V
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-MLPQ(5x5)
包装: 带卷 (TR)
NOT RECOMMENDED FOR NEW DESIGNS
REPLACEMENT PRODUCT – IR3513ZMTRPBF
IR3513
LAYOUT GUIDELINES
The following layout guidelines are recommended to reduce the parasitic inductance and resistance of the
PCB layout, therefore minimizing the noise coupled to the IC.
? Dedicate at least one middle layer for a ground plane.
? Separate analog bus (EAIN, DACIN and ISHARE) from digital bus (CLKIN, PHSIN, and PHSOUT) to
reduce the noise coupling.
? Connect PGND to LGND pins to the ground plane through vias
? Place current sense resistors and capacitors (R CS and C CS ) close to IC. Use Kelvin connection for the
inductor current sense wires, but separate the two wires by ground polygon. The wire from the inductor
terminal to CSIN- should not cross over the fast transition nodes, i.e. switching nodes, gate drive outputs
and bootstrap nodes.
? Place the IC, gate drive side as close as possible to the MOSFETs to reduce the parasitic resistance and
inductance of the gate drive paths.
? Place the input ceramic capacitors close to the drain of top MOSFET and the source of bottom MOSFET.
?
Page 32
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May 11, 2008
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