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TPS62674YFDT Fiches technique(PDF) 10 Page - Texas Instruments |
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TPS62674YFDT Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 35 page 0 10 20 30 40 50 60 70 80 90 100 Always PFM Always PWM V = 1.8 V O PFM to PWM Mode Change PWM to PFM Mode Change The switching mode changes at these borders 2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 V - Input Voltage - V I 0.1 1 10 100 1000 I -LoadCurrent-mA O 1.235 1.247 1.260 1.273 1.285 V =1.26V PWMOperation O V =2.7V I V =4.5V I V =3.6V I 1.764 1.782 1.800 1.818 1.836 0.1 1 10 100 1000 I -LoadCurrent-mA O V =1.8V PFM/PWMOperation O V =3.6V I V =4.5V I V =2.7V I 1.176 1.188 1.2 1.212 1.224 0.1 1 10 100 1000 I -LoadCurrent-mA O V =1.2V PFM/PWMOperation O V =3.6V I V =4.5V I V =2.7V I 0 2 4 6 8 10 12 14 16 18 20 22 0 20 40 60 80 100 120 140 160 180 200 I -LoadCurrent-mA O V =1.2V O V =3.6V I V =4.5V I V =2.7V I 0 20 40 60 80 100 120 140 160 180 200 I -LoadCurrent-mA O 0 2 4 6 8 10 12 14 16 18 20 V =4.5V I V =2.7V I V =3.6V I V =1.8V O TPS62671, TPS62672, TPS62674 TPS62675, TPS626751, TPS626765, TPS62679 SLVS952F – APRIL 2010 – REVISED JUNE 2014 www.ti.com Typical Characteristics (continued) Figure 7. Peak-To-Peak Output Ripple Voltage vs Load Figure 8. Peak-To-Peak Output Ripple Voltage vs Load Current Current Figure 9. DC Output Voltage vs Load Current Figure 10. DC Output Voltage vs Load Current Figure 11. DC Output Voltage vs Load Current Figure 12. PFM/PWM Boundaries 10 Submit Documentation Feedback Copyright © 2010–2014, Texas Instruments Incorporated Product Folder Links: TPS62671 TPS62672 TPS62674 TPS62675 TPS626751 TPS626765 TPS62679 |
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