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LTC4241CGN Datasheet(PDF) 2 Page - Linear Technology |
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LTC4241CGN Datasheet(HTML) 2 Page - Linear Technology |
2 / 16 page LTC4241 2 sn4241 4241f ORDER PART NUMBER TJMAX = 150°C, θJA = 135°C/W LTC4241CGN LTC4241IGN ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V12VIN = 12V, VVEEIN = –12V, V3VIN = 3.3V, V5VIN = 5V, VAUXIN = 3.3V. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IDD V12VIN Supply Current ON = V12VIN q 2.5 8 mA VAUXIN Supply Current AUXON = VAUXIN q 0.5 1.5 mA VLKO Undervoltage Lockout, 12VIN q 6.5 9 10.8 V Low-to-High Transition 3VIN q 2.25 2.50 2.75 V 5VIN q 3.65 3.90 4.15 V AUXIN q 2.35 2.60 2.85 V VLKH Undervoltage Lockout Hysteresis 3VIN, 5VIN 20 mV AUXIN 120 mV VSENSE5(TH) Current Limit Sense Voltage V5VOUT = 0V q 5.5 9 14.5 mV Threshold (V5VIN – V5VSENSE)V5VOUT > 4V q 40 55 70 mV VSENSE3(TH) Current Limit Sense Voltage V3VOUT = 0V q 5.5 9 14.5 mV Threshold (V3VIN – V3VSENSE)V3VOUT > 2V q 40 55 70 mV tCB Circuit Breaker Trip Filter Time (V5VIN – V5VSENSE) = Step 0 to 100mV 17 µs (VAUXIN – VAUXSENSE) = Step 0 to 100mV 8 µs IGATE GATE Pin Output Current ON High, FAULT High, VGATE = GND q –20 –60 –100 µA ON Low, FAULT High, VGATE = 5V 200 µA ON High, FAULT Low, VGATE = 5V 5 25 35 mA Consult LTC Marketing for parts specified with wider operating temperature ranges. GN PACKAGE 20-LEAD NARROW PLASTIC SSOP 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 12VOUT VEEOUT 5VOUT 5VIN 5VSENSE GATE 3VSENSE 3VIN AUXON AUXIN 12VIN VEEIN 3VOUT TIMER ON FAULT PWRGD GND AUXGATE AUXSENSE Supply Voltages 12VIN ................................................................... 14V VEEIN .................................................................. –14V AUXIN ................................................................... 7V Input Voltage ON ......................................................... –0.3V to 14V AUXON .................................................. –0.3V to 14V Output Voltages (FAULT, PWRGD) .................................. –0.3V to 14V Analog Voltages TIMER, 3VIN, 3VSENSE, GATE, 5VSENSE, 5VIN ............................. –0.3V to (12VIN + 0.3V) 3VOUT, 5VOUT ........................................ –0.3V to 14V AUXSENSE .......................... –0.3V to (AUXIN + 0.3V) VEEOUT ................................................ –14V to + 0.3V 12VOUT .................................................. –0.3V to 14V AUXGATE ......................... Internally Limited (Note 3) Operating Temperature Range LTC4241CGN ........................................... 0 °C to 70°C LTC4241IGN ........................................–40 °C to 85°C Storage Temperature Range ..................–65 °C to 150°C Lead Temperature (Soldering,10sec).................... 300 °C DC ELECTRICAL CHARACTERISTICS |
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