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TPS79301-Q1 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS79301-Q1 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 16 page TPS79301Q1,'79318Q1, '79325Q1 '79328Q1,'793285Q1,'79330Q1 TPS79333Q1,'793475Q1 SGLS162D − APRIL 2003 − REVISED SEPTEMBER 2007 www.ti.com 8 TYPICAL CHARACTERISTICS Figure 10 10 100 1 k 10 k 10 40 80 100 k 1 M 10 M f − Frequency − Hz TPS79328 RIPPLE REJECTION vs FREQUENCY IO = 10 mA 50 0 VI = 3.8 V Co = 10 µF C(byp) = 0.01 µF IO = 200 mA 20 30 60 70 90 100 Figure 11 10 100 1 k 10 k 20 60 100 100 k 1 M 10 M f − Frequency − Hz TPS79328 RIPPLE REJECTION vs FREQUENCY VI = 3.8 V Co = 2.2 µF C(byp) = 0.01 µF IO = 10 mA IO = 200 mA 40 70 90 30 50 80 10 0 Figure 12 10 100 1 k 10 k 20 60 100 100 k 1 M 10 M f − Frequency − Hz TPS79328 RIPPLE REJECTION vs FREQUENCY VI = 3.8 V Co = 2.2 µF C(byp) = 0.1 µF IO = 10 mA IO = 200 mA 40 70 90 30 50 80 10 0 Figure 13 3 TPS79328 OUTPUT VOLTAGE, ENABLE VOLTAGE vs TIME (START-UP) t − Time − µs 060 40 20 80 100 140 120 160 180 200 VI = 3.8 V VO = 2.8 V IO = 200 mA Co = 2.2 µF TJ = 25°C 1 2 0 0 2 C(byp) = 0.0047 µF C(byp) = 0.01 µF 4 C(byp) = 0.001 µF Figure 14 TPS79328 LINE TRANSIENT RESPONSE t − Time − µs 030 20 10 40 50 70 60 80 90 100 IO = 200 mA Co = 2.2 µF C(byp) = 0.01 µF 0 -20 3.8 dv dt + 0.4 V µs 20 4.8 Figure 15 t − Time − µs TPS79328 LOAD TRANSIENT RESPONSE 0 0 150 100 50 200 250 350 300 400 450 20 0 −20 100 500 VI = 3.8 V Co = 10 µF −40 200 300 di dt + 0.02A µs 1mA Figure 16 1s/div POWER UP / POWER DOWN VI VO VO = 3 V RL = 15 Ω Figure 17 100 50 0 20 40 60 80 100 120 150 200 DC DROPOUT VOLTAGE vs OUTPUT CURRENT 250 140 160 180 200 0 IO − Output Current − mA TJ = 125°C TJ = 25°C TJ = −55°C Figure 18 0 50 100 150 200 2.5 3 3.5 4 4.5 5 TPS79301 DROPOUT VOLTAGE vs INPUT VOLTAGE VI − Input Voltage − V IO = 200 mA TJ = 25°C TJ = −40°C TJ = 125°C |
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