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TPS79225DBVR датащи(PDF) 11 Page - Texas Instruments |
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TPS79225DBVR датащи(HTML) 11 Page - Texas Instruments |
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11 / 38 page ![]() 5.6 Typical Characteristics (continued) Frequency (Hz) -20 0 20 40 60 80 10 100 1k 10k 100k 1M 10M VIN = 3.8V COUT = 1F IOUT 10mA 100mA New chip Figure 5-25. TPS792 Ripple Rejection vs Frequency 3 TPS79228 OUTPUT VOLTAGE, ENABLE VOLTAGE vs TIME (START-UP) t – Time – µs 0 60 40 20 80 100 140 120 160 180 200 VI = 3.8 V VO = 2.8 V IO = 100 mA Co = 1 µF TJ = 25°C 1 2 0 0 2 C(byp) = 0.001 µF C(byp) = 0.0047 µF C(byp) = 0.01 µF 4 Legacy chip Figure 5-26. TPS792 Output Voltage and Enable Voltage vs Time (Start-Up) Time ( s) -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 400 800 1200 1600 2000 VIN VOUT VEN New chip Figure 5-27. TPS792 Output Voltage and Enable Voltage vs Time (Start-Up) 20 TPS79228 LINE TRANSIENT RESPONSE t – Time – µs 0 15 10 5 20 25 35 30 40 45 50 IO = 100 mA Co = 1 µF C(byp) = 0.01 µF 0 4.8 3.8 –20 dv dt + 0.4 V µs Legacy chip Figure 5-28. TPS792 Line Transient Response Time ( s) 0 50 100 150 200 250 300 350 400 450 500 550 3.6 -25 4 -20 4.4 -15 4.8 -10 5.2 -5 5.6 0 6 5 6.4 10 6.8 15 7.2 20 7.6 25 8 30 VIN VOUT New chip Figure 5-29. TPS792 Line Transient Response t – Time – µs TPS79228 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 di dt + 0.04 A µs Legacy chip Figure 5-30. TPS792 Load Transient Response www.ti.com TPS792 SLVS337E – MARCH 2001 – REVISED JANUARY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 11 Product Folder Links: TPS792 |
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