Datasheet LTC7821 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Hybrid Step-Down Synchronous Controller |
| Pages / Page | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Revision | A |
| File Format / Size | PDF / 1.6 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LTC7821#orderinfo
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LTC7821
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage (VIN, VIN_SENSE) ... –0.3V to 80V Top Side Driver Voltages BOOST1 ... –0.3V to 86V NC BOOST1 TG1 SW1 V IN V IN_SENSE MID_SENSE MID BOOST2, BOOST3.. –0.3V to 46V 32 31 30 29 28 27 26 25 MODE/PLLIN 1 24 BG1 Switch Voltages CLKOUT 2 23 BOOST2 SW1 .. 0V to 80V RUN 3 22 BOOST3 SW3 ... –0.3V to 40V FAULT 4 TG2 33 21 MID, MID_SENSE ... –0.3V to 40V PGOOD 5 SGND 20 SW3 (BOOST1-SW1), (BOOST2-MID), TIMER 6 19 INTVCC (BOOST3-SW3) .. –0.3V to 6V TRACK/SS 7 18 BG2 I EXT_REF 8 17 PGND SNS+, ISNS– .. –0.3V to 40V (I + – 9 10 11 12 13 14 15 16 SNS – ISNS ) ...±0.6V – + EXTV I TH V FB V CC CC .. –0.3V to 40V FREQ TEMP I SNS I SNS EXT TEMP, FREQ, EXT_REF, VFB ..–0.3V to INTVCC HYS_PRGM HYS_PRGM, I UH PACKAGE TH, RUN, TRACK/SS ... –0.3V to INTVCC 32-LEAD (5mm × 5mm) PLASTIC QFN FAULT, PGOOD ... –0.3V to 80V TJMAX = 125°C, θJA = 44°C/W, θJC = 7.3°C/W TIMER, MODE/PLLIN ..–0.3V to INTV EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB CC INTVCC Peak Output Current ..100mA Operating Junction Temperature Range (Notes 2, 3, 9) .. –40°C to 125°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION http://www.linear.com/product/LTC7821#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7821EUH#PBF LTC7821EUH#TRPBF 7821 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC7821IUH#PBF LTC7821IUH#TRPBF 7821 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C 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: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage (VIN, VIN_SENSE) ... –0.3V to 80V Top Side Driver Voltages BOOST1 ... –0.3V to 86V NC BOOST1 TG1 SW1 V IN V IN_SENSE MID_SENSE MID BOOST2, BOOST3.. –0.3V to 46V 32 31 30 29 28 27 26 25 MODE/PLLIN 1 24 BG1 Switch Voltages CLKOUT 2 23 BOOST2 SW1 .. 0V to 80V RUN 3 22 BOOST3 SW3 ... –0.3V to 40V FAULT 4 TG2 33 21 MID, MID_SENSE ... –0.3V to 40V PGOOD 5 SGND 20 SW3 (BOOST1-SW1), (BOOST2-MID), TIMER 6 19 INTVCC (BOOST3-SW3) .. –0.3V to 6V TRACK/SS 7 18 BG2 I EXT_REF 8 17 PGND SNS+, ISNS– .. –0.3V to 40V (I + – 9 10 11 12 13 14 15 16 SNS – ISNS ) ...±0.6V – + EXTV I TH V FB V CC CC .. –0.3V to 40V FREQ TEMP I SNS I SNS EXT TEMP, FREQ, EXT_REF, VFB ..–0.3V to INTVCC HYS_PRGM HYS_PRGM, I UH PACKAGE TH, RUN, TRACK/SS ... –0.3V to INTVCC 32-LEAD (5mm × 5mm) PLASTIC QFN FAULT, PGOOD ... –0.3V to 80V TJMAX = 125°C, θJA = 44°C/W, θJC = 7.3°C/W TIMER, MODE/PLLIN ..–0.3V to INTV EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB CC INTVCC Peak Output Current ..100mA Operating Junction Temperature Range (Notes 2, 3, 9) .. –40°C to 125°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION http://www.linear.com/product/LTC7821#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7821EUH#PBF LTC7821EUH#TRPBF 7821 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC7821IUH#PBF LTC7821IUH#TRPBF 7821 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C 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: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Related Parts
