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TPS79430DGNT Datasheet(PDF) 7 Page - Texas Instruments |
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TPS79430DGNT Datasheet(HTML) 7 Page - Texas Instruments |
7 / 15 page www.ti.com IOUT = 10 mA IOUT = 250 mA VIN = 4.3 V, VOUT = 3.3 V, CIN = 1 µF, COUT = 2.2 µF, CNR = 0.01 µF 40 20 10 10 100 1 k 10 k 60 70 Frequency (Hz) 90 100 k 1 M 10 M 0 30 50 80 IOUT = 10 mA IOUT = 250 mA VIN = 4.3 V, VOUT = 3.3 V, CIN = 1 µF, COUT = 10 µF, CNR = 0.01 µF 40 20 10 10 100 1 k 10 k 60 70 Frequency (Hz) 90 100 k 1 M 10 M 0 30 50 80 IOUT = 10 mA IOUT = 250 mA VIN = 4.3 V, VOUT = 3.3 V, CIN = 1 µF, COUT = 2.2 µF, CNR = 0.1 µF 40 20 10 10 100 1 k 10 k 60 70 Frequency (Hz) 90 100 k 1 M 10 M 0 30 50 80 0 250 −50 0 50 0 30 60 90 120 150 180 210 Time ( µs) VIN = 4.3 V, COUT = 10 µF di dt + 0.02A ms V_Enable 3 Time ( µs) 0 240 160 80 320 400 560 480 640 720 800 1 2 0 0 2 4 CNR = 0.0047 µF VIN = 4.3 V, VOUT = 3.3 V, IOUT = 250 mA, COUT = 2.2 µF CNR = 0.001 µF Time ( µs) −30 −20 −10 0 10 4.5 5.0 5.5 6.0 0 100 200 300 400 500 IOUT = 250 mA,COUT = 10 µF, CNR = 0.1 µF, dv/dt = 1 V/µs 0 50 100 150 200 0 250 TA = 125°C TA = 25°C TA = −40°C IOUT (mA) 25 50 75 100 125 150 175 200 225 0 50 100 150 200 250 2.5 3.5 4.0 TA = 125°C TA = 25°C VIN (V) COUT = 10 µF, CNR = 0.01 µF, IOUT = 250 mA 3.0 4.5 5.0 TA = −40°C −0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 1.4 2.8 4.2 5.6 7.0 8.4 9.8 VOUT VIN t (ms) VOUT = 2.5 V, RL = 10 Ω TPS79401, TPS79418 TPS79425, TPS79428 TPS79430, TPS79433 SLVS349D – NOVEMBER 2001 – REVISED OCTOBER 2004 TYPICAL CHARACTERISTICS (continued) TPS79433 RIPPLE REJECTION TPS79433 RIPPLE REJECTION TPS79433 RIPPLE REJECTION vs vs vs FREQUENCY FREQUENCY FREQUENCY Figure 11. Figure 12. Figure 13. TPS79433 OUTPUT VOLTAGE, ENABLE VOLTAGE vs TPS79433 TPS79433 TIME (START-UP) LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE Figure 14. Figure 15. Figure 16. TPS79433 DROPOUT VOLTAGE TPS79401 DROPOUT VOLTAGE TPS79425 vs vs POWER-UP/POWER-DOWN OUTPUT CURRENT INPUT VOLTAGE Figure 17. Figure 18. Figure 19. 7 |
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