AMD AMD-K6-2/500AFX Data Sheet - Page 311
Layout and Airflow Considerations, Voltage Regulator
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21850J/0-February 2000 Preliminary Information AMD-K6®-2 Processor Data Sheet Thermally Conductive Epoxy Thermocouple Figure 107. Measuring Case Temperature 17.2 Layout and Airflow Considerations Voltage Regulator A voltage regulator is required to support the lower voltage (3.3 V and lower) to the processor. In most applications, the voltage regulator is designed with power transistors. As a result, additional heatsinks are required to dissipate the heat from the power transistors. Figure 108 shows the voltage regulator placed parallel to the processor with the airflow aligned with the devices. With this alignment, the heat generated by the voltage regulator has minimal effect on the processor. Voltage Regulator Processor Airflow Figure 108. Voltage Regulator Placement Chapter 17 Thermal Design 291