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TPS60150 Fiches technique(PDF) 10 Page - Texas Instruments |
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TPS60150 Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 20 page VIN OFF ON ON OFF VOUT C F C OUT + - Q 1 Q 2 Q3 Q4 2.5V VIN OFF ON ON OFF VOUT + - VQ1 Q 1 Q 2 Q3 Q 4 C F C OUT 2.5V TPS60150 SLVS888 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com Figure 22. Charging Mode During the first half cycle, Q2 and Q3 transistors are turned on and flying capacitor, CF, will be charged to 2.5V ideally. Figure 23. Discharging Mode During the second half cycle, Q1 and Q4 transistors are turned on. Capacitor CF will then be discharged to output. The output voltage can be calculated as follows: Vout = VIN - VQ1 + V(CF) - VQ4 = VIN - VQ1 + 2.5V - VQ4 = 5 V. (Ideal) The output voltage is regulated by output feedback and an internally compensated voltage control loop. 10 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TPS60150 |
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