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TPS749XX Datasheet(PDF) 8 Page - Texas Instruments |
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TPS749XX Datasheet(HTML) 8 Page - Texas Instruments |
8 / 27 page www.ti.com 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 1.0 1.5 0.5 2.0 2.5 I (A) OUT 3.0 +125 C ° +25 C ° - ° 40 C 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 V (V) BIAS 5.5 +125 C ° +25 C ° - ° 40 C 500 475 450 425 400 375 350 325 300 -50 -25 0 25 50 75 100 JunctionTemperature( C) ° 125 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 2 4 6 8 10 12 PGCurrent(mA) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0 2.0 2.5 1.5 3.0 3.5 4.0 4.5 V BIAS OUT - V (V) 5.0 +125 C ° - ° 40 C +25 C ° V =0.8V OUT DrivecapabilityofoutputFETlimits I whenV V isunder2.0V. OUT BIAS OUT - TPS749xx SBVS082A – JUNE 2007 – REVISED JULY 2007 BIAS PIN CURRENT vs BIAS PIN CURRENT vs IOUT AND TEMPERATURE (TJ) VBIAS AND TEMPERATURE (TJ) Figure 15. Figure 16. SOFT-START CHARGING CURRENT (ISS) vs TEMPERATURE (TJ) LOW-LEVEL PG VOLTAGE vs CURRENT Figure 17. Figure 18. CURRENT LIMIT vs (VBIAS – VOUT) Figure 19. 8 Submit Documentation Feedback |
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