参数资料
型号: IR3084UMPBF
厂商: International Rectifier
文件页数: 43/47页
文件大小: 0K
描述: IC XPHASE CONTROL 28-MLPQ
标准包装: 100
系列: XPhase™
应用: 处理器
电流 - 电源: 14mA
电源电压: 9.5 V ~ 16 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 28-MLPQ
供应商设备封装: 28-MLPQ(5x5)
包装: 剪切带 (CT)
IR3084U
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.
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Dedicate at least one middle layer for a ground plane LGND.
Connect the ground tab under the control IC to LGND plane through a via.
Place the following critical components on the same layer as control IC and position them as close as
possible to the respective pins, R OSC , R OCSET , R VDAC , C VDAC , C VCC , C SS/DEL and R CC/DEL . Avoid using any
via for the connection.
Place the compensation components on the same layer as control IC and position them as close as possible
to EAOUT, FB and VDRP pins. Avoid using any via for the connection.
Use Kelvin connections for the remote voltage sense signals, VOSNS+ and VOSNS-, and avoid crossing
over the fast transition nodes, i.e. switching nodes, gate drive signals and bootstrap nodes.
Control bus signals, VDAC, RMPOUT, IIN, VBIAS, and especially EAOUT, should not cross over the fast
transition nodes.
LGND PLANE
R SETPT
To VIN
C VCC
LGND
VSETPT
R OCSET
REGFB
OCSET
GND
GND
R VCC
R REGSET
C SS/DEL
REGDRV
REGSET
SS/DEL
VRRDY
ENABLE
VDAC
ROSC
VOSNS-
VID0
VID1
R VDAC
R OSC
C VDAC
Page 43 of 47
To SYSTEM
To Voltage
Remote Sense
June 1, 2009
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