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F280041PMS Datasheet(PDF) 58 Page - Texas Instruments |
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F280041PMS Datasheet(HTML) 58 Page - Texas Instruments |
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58 / 230 page  7.5.5 Current Consumption Graphs Figure 7-2, Figure 7-3, and Figure 7-4 show a typical representation of the relationship between frequency and current consumption on the device. The operational test from Section 7.5.1 was run across frequency at VNOM and room temperature. Actual results will vary based on the system implementation and conditions. Leakage current on the VDD core supply will increase with operating temperature in an exponential manner as seen in Figure 7-5. The current consumption in HALT mode is primarily leakage current as there is no active switching if the internal oscillator has been powered down. Figure 7-5 shows the typical leakage current across temperature. The device was placed into HALT mode under nominal voltage conditions. Frequency (MHz) 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 65 D001 IDD IDDIO IDDA Figure 7-2. Current Versus Frequency — External Supply Frequency (MHz) 0 10 20 30 40 50 60 70 80 90 100 0 20 40 60 80 100 D002 IDDIO IDDA Figure 7-3. Current Versus Frequency — Internal VREG Frequency (MHz) 0 10 20 30 40 50 60 70 80 90 100 5 10 15 20 25 30 35 40 45 50 55 D003 IDDIO IDDA Figure 7-4. Current Versus Frequency — DCDC Temperature (qC) -60 -40 -20 0 20 40 60 80 100 120 140 160 0 2 4 6 8 10 12 14 16 18 20 22 D004 Figure 7-5. Halt Current Versus Temperature (°C) TMS320F280049, TMS320F280049C, TMS320F280048, TMS320F280048C, TMS320F280045, TMS320F280041, TMS320F280041C, TMS320F280040, TMS320F280040C SPRS945F – JANUARY 2017 – REVISED FEBRUARY 2021 www.ti.com 58 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: TMS320F280049 TMS320F280049C TMS320F280048 TMS320F280048C TMS320F280045 TMS320F280041 TMS320F280041C TMS320F280040 TMS320F280040C |
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