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LT7184SRVPBF Arkusz danych(PDF) 19 Page - Analog Devices |
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LT7184SRVPBF Arkusz danych(HTML) 19 Page - Analog Devices |
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19 / 52 page ![]() Data Sheet LT7184S analog.com Rev. 0 19 of 52 Figure 22. Continuous Conduction, PVIN = 12V, VOUT = 0.75V, LSW = XGL4020-251, 2A load Figure 23. 9A Load Step, Default Internal Compensation, VOUT = 0.75V Figure 24. SW Rise Waveforms, VOUT = 1.2V Figure 25. Positive Valley Current Limit Change with VOUT/L Figure 26. Negative Valley Current Limit Change with VOUT/L Figure 27. Valley Current Limit Change with fSW 2µs/DIV VSW0 5V/DIV VSYNC 2V/DIV ILSW0 2A/DIV EXTVCC = 4V XGL4030-471 PVIN = 12V 10V/div 4ns/DIV V(SW) NO LOAD FAST = 0 V(SW) NO LOAD FAST = 1 V(SW) 5A LOAD FAST = 0 V(SW) 5A LOAD FAST = 1 EXTVCC = 4V XGL6030-471 fSW = 1000kHz PVIN = 8V IVALLEY CHANGE RANGE 0 IVALLEY CHANGE RANGE 1 IVALLEY CHANGE RANGE 2 IVALLEY CHANGE RANGE 3 VOUT/L(V/µH) 1 2 3 4 5 6 6 7 8 9 10 85 87 89 91 93 95 97 99 101 103 105 EXTVCC = 4V fSW = 1000kHz PVIN = 8V IVALLEY CHANGE RANGE = 0 IVALLEY CHANGE RANGE = 1 IVALLEY CHANGE RANGE = 2 IVALLEY CHANGE RANGE = 3 VOUT/L(µH) 1 2 4 5 6 7 9 10 11 13 14 95 100 105 110 115 120 125 EXTVCC = 4V XGL5030-331 VOUT = 660mV VIN = 8V IVALLEY CHANGE RANGE 0 IVALLEY CHANGE RANGE 1 IVALLEY CHANGE RANGE 2 IVALLEY CHANGE RANGE 3 fSW (kHz) 300 600 900 1200 1500 1800 2100 2400 2700 3000 –3 –2 –1 0 1 2 3 |
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