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LTC4007 Datasheet(PDF) 4 Page - Linear Technology |
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LTC4007 Datasheet(HTML) 4 Page - Linear Technology |
4 / 24 page 4 LTC4007 4007fa The ● denotes specifications which apply over the full operating temperature range (Note 4), otherwise specifications are at TA = 25°C. VDCIN = 20V, VBAT = 12V unless otherwise noted. Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: See Test Circuit. Note 3: Does not include tolerance of current sense resistor or current programming resistor. Note 4: The LTC4007E is guaranteed to meet performance specifications from 0 °C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOL Low Logic Level of ACP, CHG, FLAG, LOBAT, IOL = 100µA ● 0.5 V ICL, FAULT VOH High Logic Level of CHG, LOBAT, ICL IOH = –1µA ● 2.7 V IOFF Off State Leakage Current of ACP, FLAG, FAULT VOH = 3V –1 1 µA IPO Pull-Up Current on CHG, LOBAT, ICL V = 0V –10 µA Timer Defeat Threshold at CHG 1 V Programming Inputs (CHEM and 3C4C) VIH High Logic Level ● 3.3 V VIL Low Logic Level ● 1V IPI Pull-Up Current V = 0V – 14 µA Oscillator fOSC Regulator Switching Frequency 255 300 345 kHz fMIN Regulator Switching Frequency in Drop Out Duty Cycle ≥ 98% 20 25 kHz DCMAX Regulator Maximum Duty Cycle VCSP = VBAT 98 99 % Gate Drivers (TGATE, BGATE) VTGATE High (VCLN – VTGATE)ITGATE = –1mA 50 mV VBGATE High CLOAD = 3000pF 4.5 5.6 10 V VTGATE Low (VCLN – VTGATE)CLOAD = 3000pF 4.5 5.6 10 V VBGATE Low IBGATE = 1mA 50 mV TGATE Transition Time TGTR TGATE Rise Time CLOAD = 3000pF, 10% to 90% 50 110 ns TGTF TGATE Fall Time CLOAD = 3000pF, 10% to 90% 50 100 ns BGATE Transition Time BGTR BGATE Rise Time CLOAD = 3000pF, 10% to 90% 40 90 ns BGTF BGATE Fall Time CLOAD = 3000pF, 10% to 90% 40 80 ns VTGATE at Shutdown (VCLN – VTGATE)ITGATE = –1µA, DCIN = 0V, CLN = 12V 100 mV VBGATE at Shutdown IBGATE = 1µA, DCIN = 0V, CLN = 12V 100 mV |
Similar Part No. - LTC4007_1 |
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Similar Description - LTC4007_1 |
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