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LTP8800-4AIPVPBF 数据表(PDF) 5 Page - Analog Devices |
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LTP8800-4AIPVPBF 数据表(HTML) 5 Page - Analog Devices |
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5 / 21 page  LTP8800-4A 5 Rev. A For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS 600mVOUT Efficiency and Power Loss vs Output Current 750mVOUT Efficiency and Power Loss vs Output Current 900mVOUT Efficiency and Power Loss vs Output Current Load Transient Response 150A to 200A Load Step 50A/μs 45VIN to 0.75VOUT Load Transient Response 150A to 200A Load Step 50A/μs 54VIN to 0.75VOUT Load Transient Response 150A to 200A Load Step 50A/μs 65VIN to 0.75VOUT EFFICIENCY POWER LOSS 7V0 AND 3V3 LOSSES INCLUDED 45VIN 54VIN 65VIN LOAD CURRENT (A) 0 20 40 60 80 100 120 140 160 180 200 55 60 65 70 75 80 85 90 3 6 9 12 15 18 21 24 88004a G01 EFFICIENCY POWER LOSS 7V0 AND 3V3 LOSSES INCLUDED 45VIN 54VIN 65VIN LOAD CURRENT (A) 0 20 40 60 80 100 120 140 160 180 200 55 60 65 70 75 80 85 90 95 3 6 9 12 15 18 21 24 27 88004a G02 EFFICIENCY POWER LOSS 7V0 AND 3V3 LOSSES INCLUDED 45VIN 54VIN 65VIN LOAD CURRENT (A) 0 20 40 60 80 100 120 140 160 180 200 55 60 65 70 75 80 85 90 95 3 6 9 12 15 18 21 24 27 88004a G03 FIGURE 10 CIRCUIT VIN = 45V, VOUT = 0.75V, fsw = 550kHz COUT = 560µF ×16 POSCAP + 100µF ×8 CERAMIC REG FE01h = 19, REG FE02h = 223, REG FE03h = 35, REG FE04h = 232 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88004a G04 FIGURE 10 CIRCUIT VIN = 54V, VOUT = 0.75V, fsw = 550kHz COUT = 560µF ×16 POSCAP + 100µF ×8 CERAMIC REG FE01h = 19, REG FE02h = 223, REG FE03h = 35, REG FE04h = 232 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88004a G15 FIGURE 10 CIRCUIT VIN = 65V, VOUT = 0.75V, fsw = 550kHz COUT = 560µF ×16 POSCAP + 100µF ×8 CERAMIC REG FE01h = 19, REG FE02h = 223, REG FE03h = 35, REG FE04h = 232 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88004a G16 |
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