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MMPF0100 数据表(PDF) 126 Page - Freescale Semiconductor, Inc |
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MMPF0100 数据表(HTML) 126 Page - Freescale Semiconductor, Inc |
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126 / 136 page  Analog Integrated Circuit Device Data 126 Freescale Semiconductor PF0100 Typical Applications PF0100 Layout Guidelines 8.2 PF0100 Layout Guidelines 8.2.1 General Board Recommendations 1. It is recommended to use an eight layer board stack-up arranged as follows: • High current signal •GND •Signal • Power • Power •Signal •GND • High current signal 2. Allocate TOP and BOTTOM PCB Layers for POWER ROUTING (high current signals), copper-pour the unused area. 3. Use internal layers sandwiched between two GND planes for the SIGNAL routing. 8.2.2 Component Placement It is desirable to keep all component related to the power stage as close to the PMIC as possible, specially decoupling input and output capacitors. REFERENCE, VREFDDR - (0.20-1.65V), 10 MA 1.0 μF 1 10 V X5R 0402 CC0402KRX5R6BB105 Yageo America Output capacitance 0.1 μF 2 10 V X5R 0402 C0402C104K8PAC Kemet VHALF, VINREFDDR INTERNAL REFERENCES, VCOREDIG, VCOREREF, VCORE 1.0 μF 1 10 V X5R 0402 CC0402KRX5R6BB105 Yageo America VCOREDIG 1.0 μF 1 10 V X5R 0402 CC0402KRX5R6BB105 Yageo America VCORE 0.22 μF 1 10 V X5R 0402 GRM155R61A224KE19D Murata VCOREREF COIN CELL 0.1 μF 1 10 V X5R 0402 C0402C104K8PAC Kemet LICELL MISCELLANEOUS 1.0 μF 1 10 V X5R 0402 CC0402KRX5R6BB105 Yageo America VIN 100 k Ω 1 1/16 W 0402 RK73H1ETTP1003F KOA SPEER PWRON 100 k Ω 1 1/16 W 0402 RK73H1ETTP1003F KOA SPEER RESETBMCU 100 k Ω 1 1/16 W 0402 RK73H1ETTP1003F KOA SPEER SDWN 100 k Ω 1 1/16 W 0402 RK73H1ETTP1003F KOA SPEER INTB Notes 68. Freescale does not assume liability, endorse, or warrant components from external manufacturers that are referenced in circuit drawings or tables. While Freescale offers component recommendations in this configuration, it is the customer’s responsibility to validate their application. Table 138. Bill of Material (68) Value Qty Description Part# Manufacturer Component/Pin |
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