TIDT387 Test report

3.1 Switching

Figure 3-78 to Figure 3-11 show the switch node voltages of the converters at various input voltages and at various load conditions.

Figure 3-1 5V Pre-Regulator, Switching 1

Figure 3-3 VCCINT Rail Switch Node Voltage (Core Rail Buck), 5V Input, 40A Load

Figure 3-5 VCCO Rail Switch Node Voltage (PMIC_Buck1), 5V Input, 1.0V_OUT, 3A Load

Figure 3-7 VCCAUX Rail Switch Node Voltage (PMIC_ Buck2), 5V Input, 1.5V_OUT, 1.1A Load

Figure 3-9 GTAVCC Rail Switch Node Voltage (PMIC_Buck3), 5V Input, 0.88V_OUT, 0.7A Load

Figure 3-11 GTAVTT Rail Switch Node Voltage (PMIC_Buck4), 5V Input, 1.2V_OUT, 1.3A Load

Figure 3-2 5V Pre-Regulator, Switching 2

Figure 3-4 VCCO Rail Switch Node Voltage (PMIC Buck1), 5V Input, 1.0V_OUT, No Load, PFM Mode

Figure 3-6 VCCAUX Switch Node Voltage (PMIC_Buck2), 5V Input, 1.5V_OUT, No Load, PFM Mode

Figure 3-8 GTAVCC Rail Switch Node Voltage (PMIC_Buck3), 5V Input, 0.88V_OUT, No Load, PFM Mode

Figure 3-10 GTAVTT Rail Switch Node Voltage (PMIC_Buck4), 5V Input, 1.2V_OUT, No Load, PFM Mode