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LT3756 Datasheet(PDF) 2 Page - Analog Devices |
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LT3756 Datasheet(HTML) 2 Page - Analog Devices |
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2 / 30 page  LT8355-1 2 Rev. 0 For more information www.analog.com PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN ............................................................................62V EN/UVLO........................................................62V, –0.3V ISP1, ISP2, ISN1 and ISN2......................................120V ISP1 – ISN1, ISP2 – ISN2 ........................... ±1V (Note 9) CTRL1, CTRL2, FB1 and FB2.....................................15V FAULT1, FAULT2, IADJ2, PWM1 and PWM2..............15V INTVCC......................................................VIN + 0.3V, 8V SENSEP1, SENSEN1, SENSEP2, SENSEN2 ............±0.5V RT, GATE1, GATE2, PWMTG1 and PWMTG2 ..... (Note 2) VC1, VC2, and VREF .............................................(Note 2) Operating Junction Temperature Range (Notes 3, 4) LT8355I-1 .......................................... –40°C to 125°C Storage Temperature Range .................. –65°C to 150°C (Note 1) 9 10 TOP VIEW UFDM PACKAGE 28-LEAD (4mm × 5mm) SIDE-SOLDERABLE PLASTIC QFN θJA = 43°C/W, θJC = 3.4°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB 29 GND 11 12 13 28 27 26 25 24 14 23 6 5 4 3 2 1 PWMTG1 ISN1 ISP1 FB1 VC1 CTRL1 FAULT1 CTRL2 INTVCC PWMTG2 ISN2 ISP2 FB2 VC2 VIN EN/UVLO 7 17 18 19 20 21 22 16 8 15 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE AUTOMOTIVE PRODUCTS* LT8355IUFDM-1#WPBF LT8355IUFDM-1#WTRPBF 83551 28-Lead (4mm × 5mm) Side-Solderable Plastic QFN –40°C to 125°C Contact the factory for parts specified with wider operating temperature ranges. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. *Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Operating Supply Range l 5 60 V Input (VIN) Quiescent Current PWM1,2 = 0V 3 mA Input (VIN) Shutdown Current EN/UVLO = 0.3V EN/UVLO = 1.1V, EN/UVLO Rising 0.1 12 1 20 µA µA EN/UVLO Shutdown Threshold EN/UVLO Falling l 1.15 1.25 1.35 V EN/UVLO Rising Hysteresis EN/UVLO Rising 60 mV EN/UVLO Pin Current (Device Off) EN/UVLO = 1.1V, EN/UVLO Rising 2.4 µA EN/UVLO Pin Current (Device On) EN/UVLO = 1.35V 0 µA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2). Unless otherwise noted, VIN = EN/UVLO = 12V, ISP1,2 = ISN1,2 = 60V, CTRL1,2 = IADJ2 = 2V, PWM1,2 = INTVCC, FB1,2 = 1V, SENSEN1,2 = 0V. |
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