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LTP8803-1AIPVPBF 数据表(PDF) 5 Page - Analog Devices |
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LTP8803-1AIPVPBF 数据表(HTML) 5 Page - Analog Devices |
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5 / 20 page  LTP8803-1A 5 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Load Transient Response 120A to 160A Load Step 40A/us 45VIN to 1.15VOUT Load Transient Response 120A to 160A Load Step 40A/us 54VIN to 1.15VOUT Load Transient Response 120A to 160A Load Step 40A/us 65VIN to 1.15VOUT Full Load Start-Up and Shut-Down Triggered by CTRL No Load Start-Up and Shut-Down Triggered by CTRL 45VIN No Load VOUT Ripple 54VIN No Load VOUT Ripple 65VIN No Load VOUT Ripple FIGURE 10 CIRCUIT VIN = 45V, VOUT = 1.15V, fsw = 600kHz COUT = 560µF ×10 POSCAP + 100µF ×8 CERAMIC REG FE01h = 12, REG FE02h = 226, REG FE03h = 68, REG FE04h = 109 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88031a G04 FIGURE 10 CIRCUIT VIN = 54V, VOUT = 1.15V, fsw = 600kHz COUT = 560µF ×10 POSCAP + 100µF ×8 CERAMIC REG FE01h = 12, REG FE02h = 226, REG FE03h = 68, REG FE04h = 109 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88031a G05 FIGURE 10 CIRCUIT VIN = 65V, VOUT = 1.15V, fsw = 600kHz COUT = 560µF ×10 POSCAP + 100µF ×8 CERAMIC REG FE01h = 12, REG FE02h = 226, REG FE03h = 68, REG FE04h = 109 50µs/DIV VOUT AC-COUPLED 20mV/DIV IOUT 100A/DIV 88031a G06 CTRL IIN VOUT IOUT 1ms/DIV VOUT 500mV/DIV IIN 5A/DIV IOUT 50A/DIV 88031a G07 FIGURE 10 CIRCUIT CTRL IIN VOUT IOUT 1ms/DIV VOUT 500mV/DIV IIN 100mA/DIV IOUT 50A/DIV 88031a G08 FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT VIN = 45V, VOUT = 1.15V, fSW = 600kHz NO LOAD ON VOUT 20MHz BW 500ns/DIV VOUT AC-COUPLED 10mV/DIV IIN 5A/DIV IOUT 50A/DIV 88031a G09 FIGURE 10 CIRCUIT VIN = 54V, VOUT = 1.15V, fSW = 600kHz NO LOAD ON VOUT 20MHz BW 500ns/DIV VOUT AC-COUPLED 10mV/DIV IIN 5A/DIV IOUT 50A/DIV 88031a G10 FIGURE 10 CIRCUIT VIN = 65V, VOUT = 1.15V, fSW = 600kHz NO LOAD ON VOUT 20MHz BW 500ns/DIV VOUT AC-COUPLED 10mV/DIV IIN 5A/DIV IOUT 50A/DIV 88031a G11 |
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