Datasheet LTC3728L-1 (Analog Devices) - 2

制造商Analog Devices
描述Dual, 550kHz, 2-Phase Synchronous Regulator
页数 / 页32 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION …
文件格式/大小PDF / 487 Kb
文件语言英语

ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING

ABSOLUTE MAXIMUM RATINGS (Note 1) PIN CONFIGURATION ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING

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LTC3728L-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ...30V to – 0.3V PLLIN, PLLFLTR, FCB, Voltage .. INTVCC to –0.3V Input Supply Voltage (VIN) LTC3728LI-1 ..35V to – 0.3V ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages .. 2.7V to –0.3V Top Side Driver Voltages Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A (BOOST1, BOOST2) ... 36V to –0.3V INTVCC Peak Output Current ..40mA (BOOST1, BOOST2) LTC3728LI-1 .. 38V to –0.3V Operating Temperature Range (Note 7).. –40°C to 85°C Switch Voltage (SW1, SW2) ... 30V to –5V Junction Temperature (Note 2) ... 125°C Switch Voltage (SW1, SW2) LTC3728LI-1 ... 35V to –0.3V Storage Temperature Range ... –65°C to 125°C INTVCC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), Refl ow Peak Body Temperature (UH Package) .. 260°C (BOOST2-SW2), PGOOD ... 7V to –0.3V Lead Temperature (Soldering, 10 sec) INTVCC, EXTVCC LTC3728LI-1 ... 8V to –0.3V GN Package .. 300°C SENSE1+, SENSE2+, SENSE1–, SENSE2– Voltages ...(1.1)INTVCC to –0.3V
PIN CONFIGURATION
TOP VIEW TOP VIEW – + RUN/SS1 1 28 PGOOD SENSE1+ 2 27 TG1 NC SENSE1 SENSE1 NC RUN/SS1 PGOOD TG1 SW1 SENSE– 3 26 SW1 32 31 30 29 28 27 26 25 V 1 24 BOOST1 V 4 25 OSENSE1 OSENSE1 BOOST1 PLLFLTR 2 23 V PLLFLTR 5 24 V IN IN PLLIN 3 22 BG1 PLLIN 6 23 BG1 FCB 4 21 EXTVCC FCB 7 22 EXTVCC 33 I 5 20 TH1 INTVCC I 8 21 TH1 INTVCC SGND 6 19 PGND SGND 9 20 PGND 3.3V 7 18 OUT BG2 3.3V 10 19 OUT BG2 I 8 17 TH2 BOOST2 I 11 18 TH2 BOOST2 9 10 11 12 13 14 15 16 V 12 17 OSENSE2 SW2 – + NC TG2 NC SENSE2– 13 16 TG2 SW2 OSENSE2 SENSE2 SENSE2 SENSE2+ 14 15 RUN/SS2 V RUN/SS2 UH PACKAGE GN PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN 28-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 95°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1#PBF LTC3728LEGN-1#TRPBF LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1#PBF LTC3728LIGN-1#TRPBF LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1#PBF LTC3728LEUH-1#TRPBF 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1#PBF LTC3728LIUH-1#TRPBF 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1 LTC3728LEGN-1#TR LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1 LTC3728LIGN-1#TR LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1 LTC3728LEUH-1#TR 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1 LTC3728LIUH-1#TR 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3728l1fc 2