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LT1640LIN8 数据表(PDF) 2 Page - Linear Technology |
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LT1640LIN8 数据表(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LT1640L/LT1640H ABSOLUTE MAXIMUM RATINGS Supply Voltage (VDD – VEE) .................... – 0.3V to 100V DRAIN, PWRGD, PWRGD Pins ............... – 0.3V to 100V SENSE, GATE Pins .................................... – 0.3V to 20V UV, OV Pins .............................................. – 0.3V to 60V Maximum Junction Temperature ......................... 125 °C Operating Temperature Range LT1640LC/LT1640HC ............................. 0 °C to 70°C LT1640LI/LT1640HI .......................... – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C (Note 1), All Voltages Referred to VEE ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DC VDD Supply Voltage q 10 80 V IDD Supply Current UV = 3V, OV = VEE, SENSE = VEE q 1.3 5 mA VCB Circuit Breaker Trip Voltage VCB = (VSENSE – VEE) q 40 50 60 mV IPU GATE Pin Pull-Up Current Gate Drive On, VGATE = VEE q –30 – 45 –60 µA IPD GATE Pin Pull-Down Current Any Fault Condition 24 50 70 mA ISENSE SENSE Pin Current VSENSE = 50mV – 20 µA ∆VGATE External Gate Drive (VGATE – VEE), 15V ≤ VDD ≤ 80V q 10 13.5 18 V (VGATE – VEE), 10V ≤ VDD < 15V q 6 8 15 V VUVH UV Pin High Threshold Voltage UV Low to High Transition q 1.213 1.243 1.272 V VUVL UV Pin Low Threshold Voltage UV High to Low Transition q 1.198 1.223 1.247 V VUVHY UV Pin Hysteresis 20 mV IINUV UV Pin Input Current VUV = VEE q – 0.02 – 0.5 µA VOVH OV Pin High Threshold Voltage OV Low to High Transition q 1.198 1.223 1.247 V VOVL OV Pin Low Threshold Voltage OV High to Low Transition q 1.165 1.203 1.232 V VOVHY OV Pin Hysteresis 20 mV IINOV OV Pin Input Current VOV = VEE q – 0 .03 – 0.5 µA (Note 2), VDD = 48V, VEE = 0V, TA = 25°C unless otherwise noted. PACKAGE/ORDER I FOR ATIO Consult factory for Military grade parts. ORDER PART NUMBER S8 PART MARKING LT1640LCN8 LT1640LCS8 LT1640LIN8 LT1640LIS8 1640L 1640LI TJMAX = 125°C, θJA = 120°C/W (N8) TJMAX = 125°C, θJA = 150°C/W (S8) 1 2 3 4 8 7 6 5 TOP VIEW VDD DRAIN GATE SENSE PWRGD OV UV VEE N8 PACKAGE 8-LEAD PDIP S8 PACKAGE 8-LEAD PLASTIC SO ORDER PART NUMBER S8 PART MARKING LT1640HCN8 LT1640HCS8 LT1640HIN8 LT1640HIS8 1640H 1640HI TJMAX = 125°C, θJA = 120°C/W (N8) TJMAX = 125°C, θJA = 150°C/W (S8) 1 2 3 4 8 7 6 5 TOP VIEW VDD DRAIN GATE SENSE PWRGD OV UV VEE N8 PACKAGE 8-LEAD PDIP S8 PACKAGE 8-LEAD PLASTIC SO |
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