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TPS74901RGWR Fiches technique(PDF) 9 Page - Texas Instruments |
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TPS74901RGWR Fiches technique(HTML) 9 Page - Texas Instruments |
9 / 36 page 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 - 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) 500 475 450 425 400 375 350 325 300 -50 -25 0 25 50 75 100 JunctionTemperature( C) ° 125 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 9 TPS74901 www.ti.com SBVS082I – JUNE 2007 – REVISED MAY 2016 Product Folder Links: TPS74901 Submit Documentation Feedback Copyright © 2007–2016, Texas Instruments Incorporated Typical Characteristics: IOUT = 50 mA (continued) At TJ = 25°C, VIN = VOUT(TYP) + 0.3 V, VBIAS = 5 V, IOUT = 50 mA, VEN = VIN, CIN = 1 µF, CBIAS = 4.7 µF, and COUT = 10 µF, unless otherwise noted. Figure 13. BIAS Pin Current vs IOUT and Temperature (TJ) Figure 14. BIAS Pin Current vs VBIAS and Temperature (TJ) Figure 15. Soft-Start Charging Current (ISS) vs Temperature (TJ) Figure 16. Low-Level PG Voltage vs Current Figure 17. Current Limit vs (VBIAS – VOUT) |
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