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TPS62050DGSRG4 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS62050DGSRG4 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 25 page  50 µs/div VI = 5 V VO = 3.3 V Output Voltage Load Step = 60 mA to 540 mA Voltage at SW Pin Inductor Current VI = 5 V IO = 100 mA 5 µs/div VI = 5 V RL = 2.7 Ω EN VO II 200 µs/div 10 µs/div VI = 7.2 V, VO = 3.3 V Output Voltage Voltage at SW Pin IO = 20 mA 1 µs/div VI = 7.2 V VO = 3.3 V IO = 800 mA Output Voltage Voltage at SW Pin VI = 4.5 V to 5.5 V to 4.5 V 1 µs/div VO 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1 k IL − Load Current − mA VI = 2.7 V SYNC = H VO = 1.8 V TA = 25°C VI = 5 V VI = 3.3 V VI = 10 V VI = 7.2 V 800 810 820 830 840 850 860 870 880 890 900 −40 −20 0 20 40 60 80 100 TA − Free-Air Temperature − °C 2.7 V 3.6 V 7.2 V 5 V 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1 k IL − Load Current − mA VI = 3.5 V SYNC = H VO = 3.3 V TA = 25°C VI = 5 V VI = 10 V VI = 7.2 V TPS62052, TPS62054 TPS62056, TPS62050, TPS62051 www.ti.com SLVS432E – SEPTEMBER 2002 – REVISED JUNE 2011 TPS62054 TPS62056 EFFICIENCY EFFICIENCY SWITCHING FREQUENCY vs vs vs LOAD CURRENT LOAD CURRENT FREE-AIR TEMPERATURE Figure 8. Figure 9. Figure 10. OUTPUT VOLTAGE RIPPLE OUTPUT VOLTAGE RIPPLE LINE TRANSIENT RESPONSE IN SKIP MODE IN PWM MODE IN PWM MODE Figure 11. Figure 12. Figure 13. V(SWITCH) AND IL (INDUCTOR CURRENT) LOAD TRANSIENT IN SKIP MODE START-UP TIMING Figure 14. Figure 15. Figure 16. Copyright © 2002–2011, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPS62052 TPS62054 TPS62056 TPS62050 TPS62051 |
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