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TPS53353 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS53353 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 29 page 1 10 100 1000 0.01 0.1 1 10 20 Output Current (A) FCCM Skip Mode VIN = 12 V VOUT = 1.1 V fSW = 750 kHz G001 1 10 100 1000 0.01 0.1 1 10 20 Output Current (A) FCCM Skip Mode VIN = 12 V VOUT = 1.1 V fSW = 1 MHz G001 1.080 1.085 1.090 1.095 1.100 1.105 1.110 1.115 1.120 0 2 4 6 8 10 12 14 16 18 20 Output Current (A) Skip Mode FCCM fSW = 500 kHz VIN = 12 V VOUT = 1.1 V G001 0 300 600 900 1200 1500 0 1 2 3 4 5 6 Output Voltage (V) fSET = 300 kHz fSET = 500 kHz fSET = 750 kHz fSET = 1 MHz VIN = 12 V IOUT = 10 A 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 20 Output Current (A) Skip Mode, fSW = 500 kHz FCCM, fSW = 500 kHz Skip Mode, fSW = 300 kHz FCCM, fSW = 300 kHz VIN = 12 V VVDD = 5 V VOUT = 1.1 V G001 1.080 1.085 1.090 1.095 1.100 1.105 1.110 1.115 1.120 4 6 8 10 12 14 16 Input Voltage (V) FCCM, IOUT = 0 A Skip Mode, IOUT = 0 A FCCM and Skip Mode, IOUT = 20 A fSW = 500 kHz VIN = 12 V TPS53353 www.ti.com SLUSAK2 – AUGUST 2011 TYPICAL CHARACTERISTICS (continued) Figure 9. Switching Frequency vs. Output Current Figure 10. Switching Frequency vs. Output Current Figure 11. Switching Frequency vs. Output Voltage Figure 12. Output Voltage vs. Output Current Figure 13. Output Voltage vs. Input Voltage Figure 14. Efficiency vs Output Current Copyright © 2011, Texas Instruments Incorporated 9 |
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