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LTC4446 Datasheet(PDF) 2 Page - Linear Technology |
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LTC4446 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page ![]() LTC4446 2 4446f PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS Supply Voltage VCC......................................................... –0.3V to 14V BOOST – TS........................................... –0.3V to 14V TINP Voltage ................................................. –2V to 14V BINP Voltage................................................. –2V to 14V BOOST Voltage ........................................ –0.3V to 114V TS Voltage................................................... –5V to 100V Operating Temperature Range (Note 2).... –40°C to 85°C Junction Temperature (Note 3) ............................. 125°C Storage Temperature Range................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300°C (Note 1) 1 2 3 4 TINP BINP VCC BG 8 7 6 5 TS TG BOOST NC TOP VIEW 9 MS8E PACKAGE 8-LEAD PLASTIC MSOP TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W (NOTE 4) EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Gate Driver Supply, VCC VCC Operating Voltage 7.2 13.5 V IVCC DC Supply Current TINP = BINP = 0V 350 550 μA UVLO Undervoltage Lockout Threshold VCC Rising VCC Falling Hysteresis l l 6.00 5.60 6.60 6.15 450 7.20 6.70 V V mV Bootstrapped Supply (BOOST – TS) IBOOST DC Supply Current TINP = BINP = 0V 0.1 2 μA Input Signal (TINP, BINP) VIH(BG) BG Turn-On Input Threshold BINP Ramping High l 2.25 2.75 3.25 V VIL(BG) BG Turn-Off Input Threshold BINP Ramping Low l 1.85 2.3 2.75 V VIH(TG) TG Turn-On Input Threshold TINP Ramping High l 2.25 2.75 3.25 V VIL(TG) TG Turn-Off Input Threshold TINP Ramping Low l 1.85 2.3 2.75 V ITINP(BINP) Input Pin Bias Current ±0.01 ±2 μA High Side Gate Driver Output (TG) VOH(TG) TG High Output Voltage ITG = –10mA, VOH(TG) = VBOOST – VTG 0.7 V VOL(TG) TG Low Output Voltage ITG = 100mA, VOL(TG) = VTG –VTS l 120 220 mV IPU(TG) TG Peak Pull-Up Current l 1.7 2.5 A RDS(TG) TG Pull-Down Resistance l 1.2 2.2 Ω The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = VBOOST = 12V, VTS = GND = 0V, unless otherwise noted. LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4446EMS8E#PBF LTC4446EMS8E#TRPBF LTDPZ 8-Lead Plastic MSOP –40°C to 85°C LTC4446IMS8E#PBF LTC4446IMS8E#TRPBF LTDPZ 8-Lead Plastic MSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ |
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