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TPS79325DBVRQ1 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS79325DBVRQ1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 16 page TPS79301Q1,'79318Q1, '79325Q1 '79328Q1,'793285Q1,'79330Q1 TPS79333Q1,'793475Q1 SGLS162D − APRIL 2003 − REVISED SEPTEMBER 2007 www.ti.com 7 TYPICAL CHARACTERISTICS Figure 1 2.795 2.796 2.797 2.798 2.799 2.8 2.801 2.802 2.803 2.804 2.805 0 50 100 150 200 IO − Output Current − mA TPS79328 OUTPUT VOLTAGE vs OUTPUT CURRENT VI = 3.8 V Co = 10 µF TJ = 25° C Figure 2 2.775 2.78 2.785 2.79 2.795 2.8 2.805 −40 −25 −10 5 20 35 50 65 80 95 110 125 TJ − Junction Temperature − °C TPS79328 OUTPUT VOLTAGE vs JUNCTION TEMPERATURE IO = 200 mA IO = 1 mA VI = 3.8 V Co = 10 µF Figure 3 0 50 100 150 200 250 −40 −25 −10 5 20 35 50 65 80 95 110 125 TJ − Junction Temperature − °C TPS79328 GROUND CURRENT vs JUNCTION TEMPERATURE IO = 1 mA VI = 3.8 V Co = 10 µF IO = 200 mA Figure 4 0 0.05 0.1 0.15 0.2 0.25 0.3 100 1 k 10 k 100 k f − Frequency − Hz IO = 1 mA VI = 3.8 V Co = 2.2 µF C(byp) = 0.1 µF IO = 200 mA TPS79328 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY Figure 5 0 0.05 0.1 0.15 0.2 0.25 0.3 100 1 k 10 k 100 k f − Frequency − Hz IO = 1 mA IO = 200 mA TPS79328 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY VI = 3.8 V Co = 10 µF C(byp) = 0.1 µF Figure 6 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 100 1 k 10 k 100 k f − Frequency − Hz TPS79328 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY VI = 3.8 V IO = 200 mA Co= 10 µF C(byp) = 0.1 µF C(byp) = 0.001 µF C(byp) = 0.0047 µF C(byp) = 0.01 µF Figure 7 0.001 0.01 0.1 ROOT MEAN SQUARED OUTPUT NOISE vs BYPASS CAPACITANCE C(byp) − Bypass Capacitance − µF 0 10 20 30 40 50 60 VO = 2.8 V IO = 200 mA Co = 10 µF BW = 100 Hz to 100 kHz Figure 8 100 1 M 10 1 k f − Frequency − Hz 10 k OUTPUT IMPEDANCE vs FREQUENCY 100 k IO = 1 mA 0 0.5 1 1.5 2 2.5 0 IO = 100 mA 10 M VI = 3.8 V Co = 10 µF TJ = 25° C 0 20 40 60 80 100 120 140 160 180 −40 −25 −10 5 20 35 50 65 80 95 110 125 IO = 200 mA IO = 10 mA VI = 2.7 V Co = 10 µF TJ − Junction Temperature − °C TPS79328 DROPOUT VOLTAGE vs JUNCTION TEMPERATURE Figure 9 |
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