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TPS75003RHLR Fiches technique(PDF) 8 Page - Texas Instruments |
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TPS75003RHLR Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 31 page 3.0 V IN (V) 5 4 3 2 1 0 −1 −2 −3 −4 −5 V OUT = 3.3V I OUT = 2A 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 T A = +85_ C T A = +25_ C T A = − 40_ C 2.0 V IN (V) 5 4 3 2 1 0 −1 −2 −3 −4 −5 V OUT = 1.2V I OUT = 2A 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 T A = −40_ C T A = +25_ C T A = +85_ C 0 0.5 1.0 1.5 2.0 2.5 3.0 500 400 300 200 100 0 I OUT (A) V OUT = 1.2V V IN = 3.3V V IN = 5.0V −40_C +25 _C +85 _C 600 500 400 300 200 100 0 0.01 0.1 1.0 10 I OUT (A) V IN = 5.0V V OUT = 1.2V V IN = 3.3V V OUT = 1.2V V IN = 5.0V V OUT = 3.3V V OUT = 1.2V V IN = 2.2V 1 µs/div V IN = 5.0V V OUT = 3.3V I OUT = 2A 100 90 80 70 60 50 40 30 20 10 0 0.0001 0.001 0.01 0.1 1 10 I OUT (A) V IN = 5.0V V OUT = 3.3V V IN = 3.3V V OUT = 1.2V V IN = 5.0V V OUT = 1.2V TPS75003 SBVS052I – OCTOBER 2004 – REVISED AUGUST 2010 www.ti.com TYPICAL CHARACTERISTICS (continued) Measured using circuit in Figure 1. BUCK LINE REGULATION BUCK LINE REGULATION Figure 4. Figure 5. BUCK SWITCHING FREQUENCY BUCK SWITCHING FREQUENCY vs vs IOUT, TA IOUT Figure 6. Figure 7. EFFICIENCY vs BUCK OUTPUT VOLTAGE RIPPLE IOUT Figure 8. Figure 9. 8 Submit Documentation Feedback Copyright © 2004–2010, Texas Instruments Incorporated Product Folder Link(s): TPS75003 |
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