IR3502MPBF International Rectifier, IR3502MPBF Datasheet - Page 36

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IR3502MPBF

Manufacturer Part Number
IR3502MPBF
Description
Complete VR11.0 or VR11.1 power solution.
Manufacturer
International Rectifier
Datasheet

Specifications of IR3502MPBF

Package
32-Lead MLPQ
Circuit
X-Phase Control IC
Switch Freq (khz)
250kHz to 1.5MHz
Pbf
PbF Option Available
PCB Metal and Component Placement
• Lead land width should be equal to nominal part lead width. The minimum lead to lead spacing should
• Lead land length should be equal to maximum part lead length + 0.3 mm outboard extension + 0.05mm
• Center pad land length and width should be equal to maximum part pad length and width. However, the
• Four 0.3mm diameter vias shall be placed in the pad land spaced at 1.2mm, and connected to ground to
• No PCB traces should be routed nor vias placed under any of the 4 corners of the IC package. Doing so
be ≥ 0.2mm to minimize shorting.
inboard extension. The outboard extension ensures a large and inspectable toe fillet, and the inboard
extension will accommodate any part misalignment and ensure a fillet.
minimum metal to metal spacing should be ≥ 0.17mm for 2 oz. Copper (≥ 0.1mm for 1 oz. Copper and ≥
0.23mm for 3 oz. Copper)
minimize the noise effect on the IC and to transfer heat to the PCB.
can cause the IC to rise up from the PCB resulting in poor solder joints to the IC leads.
Page 36 of 39
July 28, 2009
IR3502

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