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TPS53353DQPT Datasheet(PDF) 10 Page - Texas Instruments |
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TPS53353DQPT Datasheet(HTML) 10 Page - Texas Instruments |
10 / 29 page 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 5.0 V VOUT = 3.3 V VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V FCCM VIN = 12 V VVDD = 5 V fSW = 300 kHz G001 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 5.0 V VOUT = 3.3 V VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V Skip Mode VIN = 12 V VVDD = 5 V fSW = 300 kHz G000 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 5.0 V VOUT = 3.3 V VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V FCCM VIN = 12 V VVDD = 5 V fSW = 500 kHz G000 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 5.0 V VOUT = 3.3 V VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V Skip Mode VIN = 12 V VVDD = 5 V fSW = 500 kHz G000 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V FCCM VIN = 5 V VVDD = 5 V fSW = 500 kHz G001 70 75 80 85 90 95 100 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) VOUT = 1.8 V VOUT = 1.5 V VOUT = 1.2 V VOUT = 1.1 V VOUT = 1.0 V Skip Mode VIN = 5 V VVDD = 5 V fSW = 500 kHz G001 TPS53353 SLUSAK2 – AUGUST 2011 www.ti.com TYPICAL CHARACTERISTICS For VOUT = 5 V, an SC5026-1R0 inductor is used. For 1 ≤ VOUT ≤ 3.3 V, a PA0513.441 inductor is used. Figure 15. Efficiency vs Output Current Figure 16. Efficiency vs Output Current Figure 17. Efficiency vs Output Current Figure 18. Efficiency vs Output Current Figure 19. Efficiency vs Output Current Figure 20. Efficiency vs Output Current 10 Copyright © 2011, Texas Instruments Incorporated |
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