LTC4441/LTC4441-1 N-Channel MOSFET Gate Driver Fea T Descrip T n 6A Peak Output Current The LTC 4441/LTC4441-1 is an N-channel MOSFET gate n Wide V Supply Range: 5V to 25V driver that can supply up to 6A of peak output current. IN n Adjustable Gate Drive Voltage: 5V to 8V The chip is designed to operate with a supply voltage of n Logic Input Can Be Driven Below Ground up to 25V and has an adjustable linear regulator for the n 30ns Propagation Delay gate drive. The gate drive voltage can be programmed n Supply Independent CMOS/TTL Input Thresholds between 5V and 8V. n Undervoltage Lockout The LTC4441/LTC4441-1 features a logic threshold driver n Low Shutdown Current: <12A input. This input can be driven below ground or above the n Overtemperature Protection driver supply. A dual function control input is provided to n Adjustable Blanking Time for MOSFETs disable the driver or to force the chip into shutdown mode Current Sense Signal (LTC4441) with <12A of supply current. Undervoltage lockout and n Available in SO-8 and 10-Lead MSOP overtemperature protection circuits will disable the driver (Exposed Pad) Packages output when activated. The LTC4441 also comes with an open-drain output that provides adjustable leading edge blanking to prevent ringing when sensing the source cur- a T rent of the power MOSFETs. n Power Supplies The LTC4441 is available in a thermally enhanced 10-lead n Motor/Relay Control MSOP package. The LTC4441-1 is the SO-8 version without n Line Drivers the blanking function. n Charge Pumps L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6677210. Typical a T D1 L1 MBR10100 10H 20A V OUT V IN RISE/FALL Time vs C LOAD 52V 6V TO 24V + + 22F 2A 200 25V C OUT T = 25C A R1 X7R R5 180 DRV = 5V CC 330k V IN FB DRV CC 160 C VCC R2 SHUTDOWN Q2 R6 10F 86.6k 140 X5R Si7370 SGND OUT 120 2 LTC4441 100 EN/SHDN RISE TIME R3 80 5m R7 LTC3803 RBLANK PGND 60 SWITCHING CONTROLLER 40 FALL TIME GATE IN BLANK R4 20 100 + SENSE 0 0 5 10 15 20 25 30 35 40 45 50 GND R8 C (nF) LOAD 511k 4441 TA01b FB R9 8.06k 4441 TA01a 44411fa 1 RISE/FALL TIME (ns) ion pplica ions pplica ion uresLTC4441/LTC4441-1 (Notes 1, 8) a Te Maxi Mu M r a T Supply Voltage OUT Output Current ............................................ 100mA V ............................................................................28V Operating Junction Temperature Range IN DRV .........................................................................9V (Note 2) .................................................. 55C to 125C CC Input Voltage Storage Temperature Range .................. 65C to 150C IN .............................................................15V to 15V Lead Temperature (Soldering, 10 sec) .................. 300C FB, EN/SHDN ..........................0.3V to DRV + 0.3V CC RBLANK, BLANK (LTC4441 Only)............ 0.3V to 5V p in c F T TOP VIEW TOP VIEW PGND 1 10 OUT PGND 1 8 OUT BLANK 2 9 DRV CC SGND 2 7 DRV CC RBLANK 3 11 8 V IN SGND 4 7 FB IN V 3 6 IN IN 5 6 EN/SHDN EN/SHDN FB 4 5 MSE PACKAGE 10-LEAD PLASTIC MSOP S8 PACKAGE T = 125C, = 38C/W (Note 3) JMAX JA 8-LEAD PLASTIC SO EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB T = 125C, = 150C/W JMAX JA o r Der i n F Ma T LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4441EMSE PBF LTC4441EMSE TRPBF LTBJQ 10-Lead Plastic MSOP 40C to 125C LTC4441IMSE PBF LTC4441IMSE TRPBF LTBJP 10-Lead Plastic MSOP 40C to 125C LTC4441MPMSE PBF LTC4441MPMSE TRPBF LTBJP 10-Lead Plastic MSOP 55C to 125C LTC4441ES8-1 PBF LTC4441ES8-1 TRPBF 44411 8-Lead Plastic SO 40C to 125C LTC4441IS8-1 PBF LTC4441IS8-1 TRPBF 4441I1 8-Lead Plastic SO 40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC4441EMSE LTC4441EMSE TR LTBJQ 10-Lead Plastic MSOP 40C to 125C LTC4441IMSE LTC4441IMSE TR LTBJP 10-Lead Plastic MSOP 40C to 125C LTC4441MPMSE LTC4441MPMSE TR LTBJP 10-Lead Plastic MSOP 55C to 125C LTC4441ES8-1 LTC4441ES8-1 TR 44411 8-Lead Plastic SO 40C to 125C LTC4441IS8-1 LTC4441IS8-1 TR 4441I1 8-Lead Plastic SO 40C to 125C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: