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LT1641-1IS8 数据表(PDF) 2 Page - Linear Technology |
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LT1641-1IS8 数据表(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LT1641-1/LT1641-2 164112fc Supply Voltage (VCC) ...............................– 0.3V to 100V Input Voltage (SENSE) .............................– 0.3V to 100V Input Voltage (TIMER) ...............................– 0.3V to 44V Input Voltage (FB, ON) ...............................– 0.3V to 60V Output Voltage (PWRGD) ........................– 0.3V to 100V Output Voltage (GATE) ............................– 0.3V to 100V Operating Temperature Range LT1641-1C, LT1641-2C ........................... 0 °C to 70°C LT1641-1I, LT1641-2I ........................ – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Vcc = 24V SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC VCC Operating Range ● 980 V ICC VCC Supply Current ON = 3V ● 2 5.5 mA VLKO VCC Undervoltage Lockout ● 7.5 8.3 8.8 V VFBH FB Pin High Voltage Threshold FB Low to High Transition ● 1.280 1.313 1.345 V VFBL FB Pin Low Voltage Threshold FB High to Low Transition ● 1.221 1.233 1.245 V VFBHST FB Pin Hysteresis Voltage 80 mV IINFB FB Pin Input Current VFB = GND – 1 µA ∆VFB FB Pin Threshold Line Regulation 9V ≤ VCC ≤ 80V ● 0.05 mV/V VSENSETRIP SENSE Pin Trip Voltage (VCC – VSENSE)VFB = 0V ● 812 17 mV VFB = 1V ● 39 47 55 mV IGATEUP GATE Pin Pull-Up Current Charge Pump On, VGATE = 7V ● –5 – 10 – 20 µA IGATEDN GATE Pin Pull-Down Current Any Fault Condition, VGATE = 2V ● 35 70 100 mA ∆VGATE External N-Channel Gate Drive VGATE – VCC, VCC = 10.8V to 20V ● 4.5 18 V VCC = 20V to 80V ● 10 18 V ITIMERUP TIMER Pin Pull-Up Current VTIMER = 0V ● – 24 – 80 – 132 µA ITIMERON TIMER Pin Pull-Down Current VTIMER = 1V ● 1.5 3 5 µA VONH ON Pin High Threshold ON Low to High Transition ● 1.280 1.313 1.345 V VONL ON Pin Low Threshold ON High to Low Transition ● 1.221 1.233 1.245 V VONHYST ON Pin Hysteresis 80 mV IINON ON Pin Input Current VON = GND – 1 µA VOL PWRGD Output Low Voltage IO = 2mA ● 0.4 V IO = 4mA ● 2.5 V IOH PWRGD Pin Leakage Current VPWRGD = 80V ● 10 µA DC ELECTRICAL CHARACTERISTICS TJMAX = 125°C, θJA = 110°C/W 16411 16411I 16412 16412I LT1641-1CS8 LT1641-1IS8 LT1641-2CS8 LT1641-2IS8 1 2 3 4 8 7 6 5 TOP VIEW VCC SENSE GATE TIMER ON FB PWRGD GND S8 PACKAGE 8-LEAD PLASTIC SO ORDER PART NUMBER S8 PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ |
类似零件编号 - LT1641-1IS8 |
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类似说明 - LT1641-1IS8 |
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