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LT4250LIN8 Datasheet(PDF) 2 Page - Linear Technology |
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LT4250LIN8 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LT4250L/LT4250H 4250lhf ABSOLUTE MAXIMUM RATINGS Supply Voltage (VDD – VEE) .................... – 0.3V to 100V PWRGD, PWRGD Pins ........................... – 0.3V to 100V SENSE, GATE Pins .................................... – 0.3V to 20V UV, OV Pins .............................................. – 0.3V to 60V DRAIN Pin .................................................. –2V to 100V Maximum Junction Temperature ......................... 125 °C Operating Temperature Range LT4250LC/LT4250HC ............................. 0 °C to 70°C LT4250LI/LT4250HI .......................... – 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 The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2), VDD = 48V, VEE = 0V unless otherwise noted. PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER S8 PART MARKING LT4250LCN8 LT4250LCS8 LT4250LIN8 LT4250LIS8 4250L 4250LI 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 LT4250HCN8 LT4250HCS8 LT4250HIN8 LT4250HIS8 4250H 4250HI 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 Consult LTC Marketing for parts specified with wider operating temperature ranges. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DC VDD Supply Voltage Operating Range q 20 80 V IDD Supply Current UV = 3V, OV = VEE, SENSE = VEE q 1.6 5 mA VUVL Undervoltage Lockout q 15.4 V VCL Current Limit Trip Voltage VCL = (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 Gate Drive OFF 24 50 70 mA ISENSE SENSE Pin Current VSENSE = 50mV – 20 µA ∆VGATE External Gate Drive (VGATE – VEE), 20V ≤ VDD ≤ 80V q 10 13.5 18 V VUVH UV Pin High Threshold Voltage UV Increasing q 1.240 1.255 1.270 V VUVL UV Pin Low Threshold Voltage UV Decreasing q 1.105 1.125 1.145 V VUVHY UV Pin Hysteresis 130 mV IINUV UV Pin Input Current VUV = VEE q – 0.02 – 0.5 µA VOVH OV Pin High Threshold Voltage OV Increasing q 1.235 1.255 1.275 V VOVL OV Pin Low Threshold Voltage OV Decreasing q 1.210 1.235 1.255 V |
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